--- product_id: 483448372 title: "Hydro Flask - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - Standard Mouth - White" brand: "hydro flask" price: "฿4299" currency: THB in_stock: true reviews_count: 13 category: "Hydro Flask" url: https://www.desertcart.co.th/products/483448372-hydro-flask-water-bottle-621-ml-21-oz-vacuum-insulated store_origin: TH region: Thailand --- # Leak-proof Flex Straw Lid Keeps drinks hot 12 hrs Keeps drinks cold 24 hrs Hydro Flask - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - Standard Mouth - White **Brand:** hydro flask **Price:** ฿4299 **Availability:** ✅ In Stock ## Summary > 💦 Stay cool, stay hot, stay unstoppable with Hydro Flask. ## Quick Answers - **What is this?** Hydro Flask - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - Standard Mouth - White by hydro flask - **How much does it cost?** ฿4299 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/483448372-hydro-flask-water-bottle-621-ml-21-oz-vacuum-insulated) ## Best For - hydro flask enthusiasts ## Why This Product - Trusted hydro flask brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Durable stainless steel construction stands up to your active lifestyle while preserving pure taste. - • **Effortless Clean-Up:** Dishwasher safe with powder-coated finish means less time cleaning, more time living. - • **Lifetime Confidence:** Backed by Hydro Flask’s lifetime warranty—because quality like this is forever. - • **One-Handed Hydration:** Leak-proof Flex Straw Cap lets you sip effortlessly on the go—no spills, no hassle. - • **Ultimate Temperature Control:** Double-wall vacuum insulation locks in cold for 24 hours and hot for 12 hours, so your drink is always perfect. ## Overview The Hydro Flask 621 ml water bottle features double-wall vacuum insulation that keeps beverages cold for 24 hours and hot for 12 hours. Its leak-proof Flex Straw Cap enables easy one-handed drinking, while the durable stainless steel body resists wear and maintains taste. Finished with a dishwasher-safe powder coating and backed by a lifetime warranty, this bottle is designed for active professionals who demand performance and style. ## Description This stainless steel bottle keeps drinks cold 24 hrs, hot 12 hrs, thanks to vacuum insulation. The leak-proof straw lid allows easy, one-handed drinking on the move. Review: Excellent, highly recommend - Excellent, keeps our drinks cold. It feels sturdy and looks great. Review: The best water bottle brand! - This is the second Hydro Flask bottle I’ve purchased (also have a larger capacity one). They are incredibly high quality bottles. The water stays cold for the time suggested (24 hours) and is completely leak proof, even when rolling around in a bag. It is definitely worth the money! ## Features - IDEAL DRINKING TEMPERATURE: Our double-wall vacuum-insulated bottle keeps beverages cold for up to 24 hours and hot for up to 12 hours. The TempShield technology prevents condensation and heat transfer to the outside. - BETTER DRINKING ON THE GO: With double-wall, vacuum-insulated technology, our water bottle maintains the IDEAL temperature. The leak-proof Flex Straw Lid allows for easy drinking with just one hand. - DURABLE WATER BOTTLE: Our eco-friendly, sturdy stainless steel bottle is perfect for any type of sport. The durable construction withstands everything life throws at it, while keeping the taste of your drink intact. - DISHWASHER SAFE: Our water bottles come with a powder coating that makes cleaning a breeze. Enjoy more leisure time and less work with this convenient feature. - SATISFACTION GUARANTEED: We offer a lif etime warranty against manufacturer defects. HYDRO FLASK stands behind our durable and robust materials and is committed to high standards. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09SBQHL9K | | Age Range Description | Adult | | Base Diameter | 7.3 Centimetres | | Best Sellers Rank | 6,545 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 45 in Insulated Bottles | | Brand Name | Hydro Flask | | Cap Type | Straw Cap | | Capacity | 21 Fluid Ounces | | Colour | White | | Country Of Origin | China | | Customer Reviews | 4.7 4.7 out of 5 stars (635) | | Included Components | Straw, Water bottle., water bottle | | Is Oven Safe | No | | Is the item dishwasher safe? | Yes | | Is the item microwaveable? | No | | Item Dimensions W x H | 7.2W x 28.6H centimetres | | Item Type Name | Flask | | Item Weight | 0.42 Kilograms | | Item height | 28.57 centimetres | | Manufacturer | Hydro Flask | | Manufacturer Warranty Description | Hydro flask lifetime warranty. | | Material Type | Stainless Steel | | Model Name | Flex-Strohkappe | | Number of Items | 1 | | Pattern | Solid | | Product Care Instructions | Hand Wash Only | | Recommended Uses For Product | Water | | Special Features | Cold 24 Hours, Dishwasher Safe, leak | | Theme | Sport | | UPC | 810028843042 | | Unit Count | 1.0 Count | | With Lid | Yes | ## Product Details - **Brand:** Hydro Flask - **Capacity:** 21 Fluid Ounces - **Colour:** White - **Recommended uses for product:** Water - **Special feature:** Cold 24 Hours, Dishwasher Safe, leak ## Images ![Hydro Flask - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - Standard Mouth - White - Image 1](https://m.media-amazon.com/images/I/51fj1YIxVEL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Am I able to buy any of the bottles that already have the flex straw lid on them or do I have to buy that lid separately?** A: You are able to buy bottles that already come with a flex Straw cap, but for the availability of those units, you need to check with a dealer directly. Your Hydro Flask team. **Q: Why does it state flex cap as being ‘girls’?** A: No idea. This came with a twist cap and it is fine. I use sports bottles with different caps for when in the gym etc. The hydroflask is a really solid design. **Q: What diameter is the base** A: Hello, The diameter of both the 18 Ounce and 21 ounce Standard mouth bottle is 2.87 Inches or 7.29 centimetres. **Q: Hi how do I know if it is legitimate?** A: it is legit, it's a great flask ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent, highly recommend *by M***O on 30 November 2025* Excellent, keeps our drinks cold. It feels sturdy and looks great. ### ⭐⭐⭐⭐⭐ The best water bottle brand! *by D***T on 10 October 2025* This is the second Hydro Flask bottle I’ve purchased (also have a larger capacity one). They are incredibly high quality bottles. The water stays cold for the time suggested (24 hours) and is completely leak proof, even when rolling around in a bag. It is definitely worth the money! ### ⭐⭐⭐⭐⭐ Best waterbottle I’ve ever purchased *by R***O on 22 February 2026* Totally recommend. Never leaks very sturdy ## Frequently Bought Together - Hydro Flask - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - Standard Mouth - White - hydro flask - flex for --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/483448372-hydro-flask-water-bottle-621-ml-21-oz-vacuum-insulated](https://www.desertcart.co.th/products/483448372-hydro-flask-water-bottle-621-ml-21-oz-vacuum-insulated) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-29*