Exploring Laos Visa Stamping at Airport: A Comprehensive Guide for International Travelers

Written by Tony Bùi, with over 20 years of experience in the travel industry, personally guiding and organizing tours for over 100,000 travellers across Southeast Asia. This guide draws from firsthand insights, guest feedback from Legend Travel Group surveys, and official sources like laoevisa.gov.la, tourism.gov.la, travel.state.gov, lonelyplanet.com, and laos-guide-999.com. Information based on the latest data; verify before travel. Reflects Laos’ updated travel regulations.

Travelers, please note: Visa on Arrival (VOA) is available at major international airports in Laos. International travelers can use visa exemptions (if eligible), apply for an e-visa online via laoevisa.gov.la, or obtain VOA at airports for eligible nationalities. This guide details visa requirements, airport stamping procedures, and travel tips for a seamless journey into Laos by air.

A Practical, Cultural, and Sustainable Travel Essential

Laos, a landlocked gem in Southeast Asia, is renowned for its serene temples, lush landscapes, and cultural landmarks like Luang Prabang’s UNESCO-listed old town, Vientiane’s Patuxai Monument, and the mystical Plain of Jars. Understanding visa stamping at airports ensures smooth entry for travelers from all countries, whether joining guided Laos Tours or traveling independently. Many nationalities benefit from Visa on Arrival (VOA) at airports (30 days, $30–$40 USD), while exemptions or e-visas are available for others, facilitating entry through Laos’ 5 international airports tourism.gov.la. This guide provides practical visa insights, airport stamping tips, cultural etiquette, and eco-friendly Laos Travel options for international travelers.

Following Laos’ updated travel regulations, the country is accessible via multiple international airports, including Wattay (Vientiane), Luang Prabang, Pakse, Savannakhet, and Oudomxay. This guide blends visa requirements, airport procedures, and sustainable Laos Travel ideas for a worry-free adventure.

Administrative Note

Travelers from visa-exempt countries (e.g., ASEAN nations, Japan, South Korea) can enter for up to 14–30 days without a visa, while others can obtain VOA ($30–$40 USD) or e-visas ($45 USD) for airport entry. Passports must be valid for at least 6 months with two blank pages. Cultural site entries like Patuxai cost $1–$2 (8,000–16,000 LAK); guided tours range from $15–$80 (120,000–640,000 LAK). Temporary residence registration with local police is required within 24 hours, typically handled by hotels or hosts. Verify visa requirements and airport procedures via laoevisa.gov.la or travel.state.gov.

Visa Options for International Travelers

• Visa on Arrival (VOA):

  • Purpose: Tourism, business, or leisure for short stays at airports.

  • Eligibility: Citizens of 150+ countries, including the US, Canada, Australia, India, and most EU nations (except some like Afghanistan, Algeria) laos-guide-999.com.

  • Duration: 30 days (single entry); extendable for 30 days at the immigration office in Vientiane ($2/day or 16,000 LAK/day) lonelyplanet.com.

  • Cost: $30–$40 USD (240,000–320,000 LAK), depending on nationality; payable in USD, Thai Baht, or Lao Kip; $1–$2 (8,000–16,000 LAK) overtime fee outside 6:00 AM–10:00 PM tourism.gov.la.

  • Application Process:

    1. Upon arrival at the airport (e.g., Wattay, Luang Prabang), head to the VOA counter before immigration laos-guide-999.com.

    2. Fill out the VOA form (available at the counter or downloadable from laoevisa.gov.la).

    3. Submit passport, 1 passport photo (4x6 cm; if none, $1–$2 or 8,000–16,000 LAK fee), and fee; receive visa sticker in passport tourism.gov.la.

    4. Proceed to immigration for stamping; show proof of onward travel (e.g., return flight ticket) if requested travel.state.gov.

  • Processing Time: 10–30 minutes at the airport counter lonelyplanet.com.

  • Extension: Extendable at the immigration office in Vientiane; fees apply ($2/day) laos-guide-999.com.

  • Entry Points: Valid at 5 international airports: Wattay (Vientiane), Luang Prabang, Pakse, Savannakhet, Oudomxay tourism.gov.la.

• Visa Exemption:

  • Purpose: Tourism, business, or leisure for short stays.

  • Eligibility: Citizens of 14 countries, including ASEAN nations (e.g., Cambodia, Thailand), Japan, South Korea, Russia, and Luxembourg laos-guide-999.com.

  • Duration: 14–30 days (e.g., 30 days for ASEAN, Japan, South Korea) tourism.gov.la.

  • Cost: No cost tourism.gov.la.

  • Requirements: Passport valid for 6 months with two blank pages; proof of onward travel (e.g., return flight ticket) recommended travel.state.gov.

  • Extension: Non-extendable; requires exit and re-entry with a new exemption or VOA laos-guide-999.com.

• E-Visa (For Online Application):

  • Purpose: Tourism, business, or leisure for stays exceeding exemptions or for non-VOA nationalities.

  • Eligibility: Citizens of 80 countries, including the US, Canada, Australia, India, and most EU nations laoevisa.gov.la.

  • Duration: 30 days (single entry); extendable for 30 days at the immigration office ($2/day) laoevisa.gov.la.

  • Cost: $45 USD (360,000 LAK); non-refundable laoevisa.gov.la.

  • Application Process:

    1. Visit laoevisa.gov.la, select language, and click “Apply eVisa” laoevisa.gov.la.

    2. Enter personal details (full name, date of birth, nationality), passport details (number, issue/expiry date), travel details (intended entry/exit dates, entry airport like Wattay), and accommodation in Laos (e.g., hotel address) laos-guide-999.com.

    3. Upload a digital passport photo (4x6 cm, white background, no glasses, straight view) and a scan of the passport data page in .jpg format, max 2MB laoevisa.gov.la.

    4. Pay the fee ($45) via credit/debit card; note the verification code laoevisa.gov.la.

    5. Check status at laoevisa.gov.la/evisa/status using registration code, email, and date of birth; download and print the e-visa PDF laoevisa.gov.la.

    6. Present printed e-visa and passport at the airport immigration; ensure details match exactly to avoid entry issues travel.state.gov.

  • Processing Time: 3 working days; expedited processing available through agencies for additional fees ($10–$30 or 80,000–240,000 LAK) laos-guide-999.com.

  • Extension: Extendable for 30 days at the immigration office in Vientiane; fees apply ($2/day) laos-guide-999.com.

• Embassy/Consulate Visa:

  • Purpose: Tourism, business, work, or study for those preferring traditional applications or needing longer stays.

  • Eligibility: Available to all nationalities travel.state.gov.

  • Duration: Typically 30–90 days (single or multiple entry); longer for work/study visas travel.state.gov.

  • Cost: $40–$100 (320,000–800,000 LAK), depending on visa type and processing time travel.state.gov.

  • Requirements: Passport, application form, two passport photos (4x6 cm), and fees; apply in person or by mail at a Lao embassy (e.g., in Bangkok, Hanoi, or Beijing) travel.state.gov.

  • Extension: Extendable for 30 days with a sponsor; fees vary ($2/day) laos-guide-999.com.

• Key Restrictions:

  • Travelers must not fall under suspension categories (e.g., security risks) as per Laos’ immigration laws laoevisa.gov.la.

  • Temporary residence registration is mandatory within 24 hours, typically handled by hotels or hosts travel.state.gov.

  • Overstay penalties: 100,000 LAK/day ($5/day); potential exit bans or deportation travel.state.gov.

Key Airport Stamping Checkpoints

• Wattay International Airport (Vientiane): Main entry point in the capital, open 24/7; VOA counter before immigration; expect queues during peak seasons tourism.gov.la.

• Luang Prabang International Airport: Northern hub for cultural sites, open 6:00 AM–10:00 PM; VOA available tourism.gov.la.

• Pakse International Airport: Southern entry, open 6:00 AM–10:00 PM; VOA for Mekong region travel tourism.gov.la.

• Savannakhet International Airport: Central entry, open 6:00 AM–10:00 PM; VOA for Thai-Lao border travelers tourism.gov.la.

• Oudomxay Airport: Northern entry, open 6:00 AM–10:00 PM; VOA for China-Lao border travelers tourism.gov.la.

• Requirements at Airports: Present a valid passport and VOA form (if applicable); pay fee in USD; receive visa sticker; proceed to immigration for stamping; show proof of accommodation or onward travel if requested laos-guide-999.com.

Respecting Laos’ Cultural Heritage

Cultural etiquette ensures a smooth airport stamping and travel experience during Laos Tours. Here’s your guide, based on current norms:

• Greetings: Offer a “sabaidee” (hello) with a slight bow or nop (palms pressed together); use both hands for transactions at airport counters or markets culturetrip.com.

• Dress: Wear modest clothing covering shoulders and knees, especially for temple visits after stamping (e.g., That Luang in Vientiane); carry a lightweight scarf ($1 or 20,000 LAK) lonelyplanet.com.

• Behaviour: Maintain a calm demeanor at airport immigration; avoid loud behavior or disputes; ask permission before photographing locals or rituals; carry passport or visa securely to verify status. Avoid public criticism of the Lao government (penalties apply). A guest shared: “Respecting Lao customs eased our airport stamping and trip.” culturetrip.com

• Customs: Tipping is not mandatory but appreciated ($0.20–$1 or 4,000–20,000 LAK); avoid littering at cultural sites like Luang Prabang’s old town or Pak Ou Caves; complete residence registration within 24 hours (handled by hotels) travel.state.gov.

• Tip: Say “khop chai” (thank you) to officers or guides; use eco-friendly practices like reusable water bottles ($2 or 40,000 LAK) to support sustainable Laos Travel; keep passport handy for checks. Tony Bùi notes: “In 20 years guiding, I’ve seen respectful travelers thrive at Laos’ airports and cultural sites.”

General Tips:

• Language: Carry a phrase card ($1 or 20,000 LAK) for Lao basics like “khop chai”; English is spoken at major airports and tourist areas culturetrip.com.

• Respect: Follow airport rules (no photography in immigration areas); respect local vendors with fair purchases in markets.

• Navigation: Use offline maps (Maps.me) for airport areas like Wattay or cities like Vientiane; carry a printed VOA form or e-visa travel.state.gov.

• Eco-Tip: Opt for bicycles ($1–$3 or 20,000–60,000 LAK/day) or tuk-tuks ($0.50–$2 or 10,000–40,000 LAK) after stamping for sustainable travel tourism.gov.la.

Below is a curated list of tour options to enhance your visa-prepared journey after stamping at Laos airports, based on the latest data from laoevisa.gov.la, tourism.gov.la, travel.state.gov, lonelyplanet.com, and laos-guide-999.com. Confirm schedules and prices before booking.

1. Self-Guided Visa-Prepared Exploration

• Details: Explore Vientiane’s Patuxai Monument, Luang Prabang’s old town, or Pakse’s Wat Phou independently after stamping at Wattay, Luang Prabang, or Pakse airports; suitable for travelers with valid VOA or e-visas; low to moderate difficulty tourism.gov.la.

• Visa Tips: Use VOA ($30–$40) or e-visas ($45); carry a printed e-visa or passport photocopy; register temporary residence at hotels laoevisa.gov.la.

• Schedule: Daily; Patuxai open 8:00 AM–5:00 PM (free); Wat Phou open 8:00 AM–4:30 PM ($2–$3 or 40,000–60,000 LAK); Luang Prabang old town accessible anytime.

• Cost: Entry: free (Patuxai); Wat Phou: $2–$3 (40,000–60,000 LAK); transport (bicycle: $1–$3 or 20,000–60,000 LAK/day; tuk-tuk: $0.50–$2 or 10,000–40,000 LAK); local purchases: $0.20–$10 (4,000–200,000 LAK).

• Location: Vientiane, Luang Prabang, Pakse, Laos.

• Eco-Friendly Note: Use bicycles or walk to reduce emissions; avoid littering at cultural sites.

• Tip: Confirm VOA eligibility or apply for e-visas early; check laoevisa.gov.la; a guest from Cambodia noted: “Self-guided exploration was seamless after stamping at Wattay.”

2. Legend Travel Group (Group Visa-Prepared Cultural Tour)

• Details: 1-day group tour visiting Vientiane’s Patuxai and That Luang after stamping at Wattay; includes English-speaking guide, transport from Vientiane hotels, lunch, and entry fees; low difficulty.

• Visa Tips: Ensure valid VOA or e-visa; carry a printed e-visa or passport photocopy; guides assist with residence registration travel.state.gov.

• Schedule: Daily; departs 8:00 AM from Vientiane hotels; returns by 4:00 PM.

• Cost: $25–$40/person (500,000–800,000 LAK, includes transport and entry).

• Pick-up/Drop-off: Hotels in Vientiane.

• Eco-Friendly Note: Group transport with fuel-efficient vehicles minimizes impact; supports local communities.

• Tip: Book via legendtravelgroup.com; a guest from Japan noted: “Legend’s tour ensured visa compliance and cultural immersion after Luang Prabang.”

3. Local Laos (Combo Visa-Prepared Cultural and Adventure Tour)

• Details: 1-day guided tour visiting Luang Prabang’s old town and a Mekong River cruise after stamping at Luang Prabang; includes English-speaking guide, transport from Luang Prabang, lunch, and entry fees; low to moderate difficulty.

• Visa Tips: Use a VOA or e-visa for multi-city travel; carry a printed e-visa or passport photocopy; confirm eligibility laos-guide-999.com.

• Schedule: Daily; departs 7:30 AM from Luang Prabang hotels; returns by 4:00 PM.

• Cost: $30–$50/person (600,000–1,000,000 LAK, includes entry).

• Pick-up/Drop-off: Hotels in Luang Prabang.

• Eco-Friendly Note: Small groups and river cruises reduce environmental impact; supports local communities.

• Tip: Book via localvietnam.com (Laos partner sites); a guest from South Korea noted: “The combo tour was visa-ready and enriching after stamping.”

4. Multi-Day Visa-Prepared Cultural and Adventure Tour (Legend Travel Group)

• Details: 2–3 day tour combining Vientiane, Luang Prabang, and Pakse after stamping at Wattay or Luang Prabang; includes English-speaking guide, transport, accommodation, meals, and entry fees; low to moderate difficulty.

• Visa Tips: Use a VOA or e-visa for multi-city travel; carry a printed e-visa or passport photocopy; confirm temporary residence registration travel.state.gov.

• Schedule: Daily; departs from Vientiane hotels; returns after 2–3 days.

• Cost: $80–$200/person (1,600,000–4,000,000 LAK, includes entries).

• Pick-up/Drop-off: Hotels or custom locations in Vientiane.

• Eco-Friendly Note: Uses eco-lodges and fuel-efficient transport; supports local communities.

• Tip: Book Laos Tours via legendtravelgroup.com or WhatsApp (+84 825862222); a guest from Russia noted: “The multi-day tour was a visa-smart cultural journey.”

• Self-Guided Exploration: Flexible and cost-effective, ideal for travelers with VOA or e-visas.

• Group Cultural Tours: Affordable and guided, perfect for visa-compliant cultural insights.

• Combo Cultural and Adventure Tours: Blend cultural visits with eco-friendly activities for a comprehensive journey.

• Multi-Day Cultural and Adventure Tours: Offer in-depth exploration with visa-smart itineraries.

• Eco-Friendly Note: Group and multi-day tours use fuel-efficient transport or bicycles, supporting Laos’ green tourism goals.

Key visa-prepared travel opportunities include:

• Lao New Year (Pi Mai Lao): Typically April, festive with temple ceremonies and water blessings; warm and dry (25–35°C); check dates at tourism.gov.la.

• Boun Ok Phansa: Typically October, spiritual with boat races and lantern floats; warm and wet (24–32°C); check dates at tourism.gov.la.

• That Luang Festival: Typically November, cultural with temple fairs; cool and dry (20–30°C); check dates at tourism.gov.la.

• Cultural Site Visits: Dry season (November–April) for comfortable weather; April for optimal conditions lonelyplanet.com.

Dry season (November–April, 20–35°C) is ideal for airport stamping and cultural visits. Hot period (March–May, 25–35°C) suits early morning outings. Wet season (May–October, 24–32°C) is best for budget travelers and indoor experiences; expect rain at airports like Wattay. Morning stamping (7:00 AM–11:00 AM) avoids crowds and heat. Verify forecasts via weather.com.

• Verify Visa Needs: Check eligibility for VOA ($30–$40) or e-visas ($45) at laoevisa.gov.la; use embassy visas for non-exempt nationalities or specific needs; exemptions for ASEAN and select countries laos-guide-999.com.

• Airport Stamping Tips: Choose major airports like Wattay or Luang Prabang for smoother immigration; arrive early (7:00 AM) to avoid queues; carry passport photos and USD for VOA; have proof of accommodation or onward travel if requested tourism.gov.la.

• Documentation: Ensure passport validity (6+ months); carry 1 passport photo for VOA; have printed e-visa if applicable; keep a photocopy of passport bio page separately; provide proof of onward travel for exemptions travel.state.gov.

• Residence Registration: Confirm hotels or hosts register your stay with local police within 24 hours; carry proof of registration travel.state.gov.

• Eco-Tip: Use digital e-visa copies to reduce paper waste; opt for bicycles or tuk-tuks after stamping for sustainable travel.

• Tip: Apply for e-visas 3 working days early; double-check details to match passport; carry small LAK notes for local purchases; check visa status at laoevisa.gov.la/evisa/status. For embassy visas, contact the nearest Lao embassy (e.g., Bangkok: +66 2 539 6667, Hanoi: +84 4 3825 4576, Beijing: +86 10 6532 1202).

Pack for a comfortable, sustainable visit:

• Documents: Passport (valid 6+ months), passport photo for VOA (4x6 cm), printed e-visa ($45 or 360,000 LAK if applicable), passport photocopy, proof of onward travel (e.g., return flight ticket for exemptions), wallet ($2 or 40,000 LAK), tour bookings.

• Clothing: Modest clothing covering shoulders and knees for temple visits; lightweight scarf ($1 or 20,000 LAK); quick-dry clothing and raincoat ($2 or 40,000 LAK) for wet season; lightweight clothing like cotton or linen and light jacket ($3 or 60,000 LAK) for dry season; waterproof shoes ($3 or 60,000 LAK); hat ($2 or 40,000 LAK).

• Essentials: Reusable water bottle ($2 or 40,000 LAK); snacks ($0.20–$1 or 4,000–20,000 LAK, e.g., sticky rice); small backpack ($2 or 40,000 LAK); sunscreen ($1 or 20,000 LAK); insect repellent ($1 or 20,000 LAK).

• Tech: Phone with translation apps (e.g., Google Translate); charger ($3–$5 or 60,000–100,000 LAK); local SIM ($2–$3 or 40,000–60,000 LAK); waterproof camera ($6 or 120,000 LAK) for photos.

• Eco Items: Reusable tote ($1 or 20,000 LAK) for purchases; phrase card ($1 or 20,000 LAK) with Lao basics.

• Extras: Small LAK notes for donations or purchases; small first aid kit ($2 or 40,000 LAK); umbrella ($2 or 40,000 LAK) for wet season; money belt ($2 or 40,000 LAK) for valuables. Tip: Pack light (1 small bag, max 5 kg); reusable items support sustainability.

Costs for Visa-Prepared Airport Stamping into Laos

Visa and Travel Costs

• VOA Costs: $30–$40 (240,000–320,000 LAK); overtime fee: $1–$2 (8,000–16,000 LAK) tourism.gov.la.

• E-Visa Costs: $45 (360,000 LAK) laoevisa.gov.la.

• Exemption Costs: No cost for visa exemptions (14–30 days) tourism.gov.la.

• Embassy Visa Costs: $40–$100 (320,000–800,000 LAK), depending on visa type and processing time travel.state.gov.

• Self-Guided Exploration: Entry: free (markets); Patuxai: $1–$2 (8,000–16,000 LAK); Wat Phou: $2–$3 (16,000–24,000 LAK); transport (bicycle: $1–$3 or 20,000–60,000 LAK/day; tuk-tuk: $0.50–$2 or 10,000–40,000 LAK).

• Group Cultural Tours: $25–$40 (200,000–320,000 LAK, includes transport and entry).

• Combo Cultural and Adventure Tours: $30–$50 (240,000–400,000 LAK, includes entry).

• Multi-Day Cultural and Adventure Tours: $80–$200 (640,000–1,600,000 LAK, includes entries). Safety-Related Costs

• Money Belt: $2 (16,000 LAK).

• Local SIM for Emergency Calls: $2–$3 (16,000–24,000 LAK).

• Travel Insurance (Recommended): $10–$30 (80,000–240,000 LAK). Other Costs

• Local Snacks (e.g., sticky rice, laap): $0.20–$1 (1,600–8,000 LAK).

• Souvenirs (e.g., crafts, textiles): $0.20–$10 (1,600–80,000 LAK).

• Donations: $0.20–$1 (1,600–8,000 LAK). Total Daily Cost (Per Person)

• Budget: $15–$40 (self-guided, snacks, transport, entry).

• Mid-range: $40–$70 (group tour, purchases).

• Luxury: $70–$120 (private tour, premium souvenirs). Tip: Budget $15–$120 for tours, visa costs (if applicable), and transport; $0.20–$10 for purchases or add-ons; use VOA to save on costs.

• Visa Tips: Check eligibility for VOA ($30–$40) or e-visas ($45) at laoevisa.gov.la; use embassy visas for non-exempt nationalities or specific needs; exemptions for ASEAN and select countries; double-check details to match passport laos-guide-999.com.

• Airport Stamping Tips: Choose major airports like Wattay or Luang Prabang for smoother immigration; arrive early (7:00 AM) to avoid queues; carry passport photos and USD for VOA; have proof of accommodation or onward travel if requested tourism.gov.la.

• Etiquette: Use “sabaidee”; dress modestly for temples; respect airport and local customs; avoid littering at cultural sites.

• Access: Choose self-guided exploration for flexibility, group tours for visa-compliant insights, or multi-day tours for immersion.

• Schedules: Airports open 6:00 AM–10:00 PM; cultural sites open 8:00 AM–5:00 PM; peak crowds in dry season (November–April); book early for festivals.

• Sustainability: Use bicycles or tuk-tuks; carry reusable items; support local vendors with fair purchases.

• Navigation: Use offline maps (Maps.me) for airport areas or cities like Vientiane.

• Weather: Dry season (Nov–Apr, 20–35°C) ideal; hot period (Mar–May, 25–35°C) suits early mornings; wet season (May–Oct, 24–32°C) requires rain gear; check forecasts via weather.com.

• Safety Note: Secure valuables with a money belt ($2 or 16,000 LAK); beware of pickpocketing in markets or nightlife areas; carry emergency numbers (Police: 191, Medical: 119, nearest embassy).

• Who needs a visa to stamp at Laos airports? Citizens of 150+ countries eligible for VOA; exemptions for ASEAN, Japan, South Korea for 14–30 days; others require e-visas or embassy visas laos-guide-999.com.

• Which airports accept VOA or e-visas? Wattay (Vientiane), Luang Prabang, Pakse, Savannakhet, Oudomxay accept VOA and e-visas tourism.gov.la.

• How much does a Laos visa cost at airports? VOA: $30–$40 (240,000–320,000 LAK); e-visa: $45 (360,000 LAK) laoevisa.gov.la.

• Can visas be extended in Laos? VOA and e-visas extendable for 30 days at the immigration office in Vientiane ($2/day) laos-guide-999.com.

• What are the penalties for overstaying? Fines of 100,000 LAK/day ($5/day); potential exit bans or deportation travel.state.gov.

• Is Visa on Arrival available at all airports? Yes, at 5 international airports; e-visas valid at the same points tourism.gov.la.

Enhance your visa-prepared Laos journey with eco-conscious tours from Legend Travel Group:

• Laos Cultural Eco-Tour ($25–$40/person, 1 day): Guided temple and market tour with sustainable practices.

• Laos Cultural and Adventure Trail ($80–$150/person, 2 days): Explore cultural sites and eco-friendly activities.

• Laos Explorer ($150–$250/person, 3 days): Multi-site adventure with eco-lodges and community-focused activities. Prices include guides, transport, and entry fees; group discounts available. Explore options at legendtravelgroup.com or contact sales@legendtravelgroup.com / WhatsApp (+84825862222) for your Laos Travel plans.

Mastering Laos Visa Stamping at Airport with cultural etiquette—modest attire, polite greetings like “sabaidee,” and visa-smart planning—unlocks a vibrant, eco-friendly journey through this Southeast Asian gem. With tour costs from $15–$200, sustainable Laos Tours, and attractions like Luang Prabang’s old town and Vientiane’s Patuxai, this trip offers adventure and sustainability for international travelers. Whether choosing a self-guided or guided experience with Laos Travel, leverage VOA or apply for e-visas early via laoevisa.gov.la, and respect local customs for the best experience. Safe travels!

Sources:

• laoevisa.gov.la

• tourism.gov.la

• travel.state.gov

• lonelyplanet.com

• laos-guide-999.com