{"product_id":"the-trail-vessel-double-wall-vacuum-thermos-flask","title":"The Trail Vessel | Double-Wall Vacuum Thermos Flask 350\/500\/750ML","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003e\u003cstrong\u003eCold Is Not an Inconvenience. It Is a Test.\u003c\/strong\u003e Every winter commuter, every gym regular, and every long-haul driver knows the same quiet truth: the moment your drink turns cold, the day turns longer. The Trail Vessel was engineered for the people who refuse to accept lukewarm water as a compromise — a double-wall vacuum flask that holds temperature for up to twelve hours, sealed against leaks, and built to survive the back seat of a car, the bottom of a gym bag, and the jolt of a train platform rush. It is not a water bottle. It is a temperature guarantee.\u003c\/p\u003e\n\u003cp\u003eInside sits a food-grade 304 stainless steel liner, the same material trusted in professional kitchens, polished to a mirror finish that resists oxidation, stains, and the stale taste that cheap cups leave behind. The outer shell adds a second layer of rugged 201 stainless steel wrapped around a vacuum chamber, so the cold stays out and the heat stays in, hour after hour. A narrow, small-mouth opening keeps heat locked tight, pours cleanly without splashing, and sits comfortably in a car cup holder. Every edge is ground smooth — no sharp rims, no awkward angles, just a cup that feels right in the hand and disappears into a routine.\u003c\/p\u003e\n\u003cp\u003eChoose 350ml for the desk and the stroller, 500ml for the commute and the gym, or 750ml for the trail and the open road. Three capacities, one philosophy: whatever you carry should stay exactly the temperature you intended. The Trail Vessel is dishwasher-friendly, leak-proof in any orientation, and finished in a range of matte colors that hold up to daily abuse without chipping or fading. Fill it in the morning. Trust it until evening. That is the whole promise.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is not a thermos. It is a small promise of constancy, carried in a pocket of your day.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-features\"\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003e6–12 Hour Thermal Performance\u003c\/strong\u003e — double-wall vacuum construction keeps drinks hot or cold through an entire workday\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eFood-Grade 304 Stainless Steel Liner\u003c\/strong\u003e — oxidation-resistant, stain-resistant, and easy to rinse clean\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eLeak-Proof Sealed Lid\u003c\/strong\u003e — tested to stay drip-free upside down in a bag or car\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eSmall-Mouth Design\u003c\/strong\u003e — locks in temperature, pours cleanly, fits standard cup holders\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eThree Capacities\u003c\/strong\u003e — 350ml, 500ml, and 750ml for desk, commute, gym, or trail\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eSmooth Polished Rim\u003c\/strong\u003e — ground and rounded for a comfortable, safe drinking edge\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003ePortable \u0026amp; Lightweight\u003c\/strong\u003e — compact footprint that slips into any bag or cupholder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 350ml \/ 500ml \/ 750ml\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 18 x 7.4cm (350ml) · 22.6 x 7.5cm (500ml) · 25 x 7.5cm (750ml)\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eInner Material:\u003c\/strong\u003e Food-grade 304 stainless steel\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eOuter Material:\u003c\/strong\u003e 201 stainless steel\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eInsulation Performance:\u003c\/strong\u003e 6–12 hours\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eBottle Type:\u003c\/strong\u003e Double-layer vacuum flask\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e Sealed screw lid, leak-proof\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Straight, small-mouth\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Black, Red, Blue, Green, Pink, Gray, White\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eUse Cases:\u003c\/strong\u003e Outdoor, car, gym, office, sports\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eCare:\u003c\/strong\u003e Rinse with warm water and mild soap; dishwasher-compatible liner\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-applications\"\u003e\n\u003ch3\u003eBuilt for the Days That Demand It\u003c\/h3\u003e\n\u003cp\u003eThe Trail Vessel carries your drink through the three most common battles of a modern day: the morning commute, when coffee must survive traffic; the midday gym session, when ice water must outlast a full workout; and the long drive, when a hot tea is the difference between a good trip and a tired one. College students keep a 350ml on their desks through back-to-back lectures. Delivery drivers run the 750ml in the cab and refill it at every stop. Parents drop the 500ml into a diaper bag knowing it will not leak and will not go lukewarm by pickup time. Whatever the day looks like, the flask adapts — it is the one gear you will reach for twice a day, every day.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faq\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long does the Trail Vessel actually keep drinks hot or cold?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The double-wall vacuum insulation holds hot liquids for 6 to 12 hours depending on volume and starting temperature, and keeps iced drinks cold for a similar window. A 750ml fill started at 90°C in the morning is still comfortably warm by the evening commute.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the inner liner really food-grade stainless steel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The liner is food-grade 304 stainless steel — the same material used in professional kitchen cookware. It resists oxidation, does not react with acidic drinks like coffee, tea, or juice, and rinses clean without holding odors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will it leak if I throw it in a backpack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The lid threads down to a tight, sealed fit and the flask is leak-proof in any orientation when the lid is fully closed. Small-mouth bottles are also far less prone to pressure-triggered drips than wide-mouth designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which capacity should I choose?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: 350ml suits desk work, stroller bags, and short commutes; 500ml is the all-rounder for daily office or gym use; and 750ml covers long drives, day hikes, and anyone who refills rarely. If in doubt, the 500ml is the most popular balance of portability and capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I put it in the dishwasher?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The stainless steel liner is dishwasher-friendly. For the longest service life, hand-washing the lid with warm soapy water is recommended, as repeated high-temperature dishwasher cycles can gradually age the sealing ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it safe for hot and cold drinks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The 304 stainless steel liner is safe for hot coffee, tea, ice water, and fruit drinks alike, with no chemical coating inside the drinking surface. The flask is designed for daily hot and cold use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-gallery\" style=\"margin-top: 30px; text-align: center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S4e465b35377b4f3ab18ebdfc0c7ec91cC_3524d8b8-81d9-46c9-a305-48e6f4515aa8.webp?v=1787956309\" alt=\"The Trail Vessel double-wall vacuum thermos flask\" style=\"display:block;margin:12px auto;max-width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S047ba5f47a614112946e243963022485Z_de6e4a2e-ae76-47b1-9aeb-814e1d961a91.webp?v=1787956309\" alt=\"The Trail Vessel double-wall vacuum thermos flask\" style=\"display:block;margin:12px auto;max-width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S1af8a32e6e13409195ce65fba5193a49p_4256a92b-47d9-4680-8160-95f0e9f017ec.webp?v=1787956309\" alt=\"The Trail Vessel double-wall vacuum thermos flask\" style=\"display:block;margin:12px auto;max-width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sb786a7b6b79344c9a41554167d73ba05e_db1c9038-dfcd-435f-81b3-d8447cd2d0c3.webp?v=1787956309\" alt=\"The Trail Vessel double-wall vacuum thermos flask\" style=\"display:block;margin:12px auto;max-width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S007a4581fa8c4fa1adeca397511f3d47S_35d86886-3d03-4cb1-9bf0-71f7db3481c8.webp?v=1787956309\" alt=\"The Trail Vessel double-wall vacuum thermos flask\" style=\"display:block;margin:12px auto;max-width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S31295605921d4ac2804e197e51dedfadX_172fa907-5d56-4af5-98b6-a73b4ecbb472.webp?v=1787956309\" alt=\"The Trail Vessel double-wall vacuum thermos flask\" style=\"display:block;margin:12px auto;max-width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S15f156f4b7784e7ca5781beffc4157382_fdecd6a8-f17c-4ce4-8a79-fc550edd620a.webp?v=1787956309\" alt=\"The Trail Vessel double-wall vacuum thermos flask\" style=\"display:block;margin:12px auto;max-width:100%;height:auto;\"\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"The Trail Vessel | Double-Wall Vacuum Thermos Flask 350\/500\/750ML\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"EastSupplier\"},\n  \"description\": \"Double-wall vacuum insulated stainless steel thermos flask with 304 food-grade inner liner, leak-proof sealed lid, and 6-12 hour thermal performance. 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