The Ultimate Upgrade for Your Daily Coffee and Hydration.
Say goodbye to metallic-tasting drinks and moldy lids. Engineered with a premium 316L Medical-Grade Stainless Steel interior, this 20oz (592ml) vacuum flask ensures your beverages stay pure, safe, and perfectly flavored—no matter how acidic your coffee or sports drink is.
Backed by our signature quick-release technology, it’s built for those who demand performance without compromise.
Why You'll Love It:
🚀 One-Handed Magic: Featuring a fast-acting, screwless lid powered by Revomax technology, it allows you to open, drink, and lock securely in under 2 seconds. It is 100% leak-proof.
🛡️ Medical-Grade Purity & Safety: The 316L inner steel resists rust, corrosion, and flavor transfer far better than standard 18/8 (304) steel. It is completely BPA-free, non-toxic, and odorless.
🌡️ Extreme Insulation: Premium double-wall vacuum technology keeps drinks icy cold for 36 hours or piping hot for 18 hours.
🧼 100% Hygienic & Easy Clean: The innovative threadless design pulls apart into 3 pieces in just 3 seconds for a deep, mold-free wash.








Hikesity 316L vs. Standard 304 Bottles
| Feature |
Hikesity (316L Medical-Grade) |
Standard Bottles (18/8 304 Steel) |
| Corrosion Resistance |
Superior (Zero Metallic Taste) |
Moderate (Prone to flavor transfer) |
| Lid Design |
Fast-acting, screwless lid (Mold-free) |
Deep screw threads (Traps bacteria) |
Product Specifications
| Inner Material |
316L Medical-Grade Stainless Steel |
| Outer Material |
304 Food-Grade Stainless Steel |
| Safety Profile |
100% BPA-Free, Non-Toxic, Odorless |
| Capacity |
20 oz / 592 ml |
| Empty Weight |
12.7 oz / 360g |
| Dimensions |
10.7" H x 2.9" W / 27.1cm H x 7.4cm W |
| Cup Holder Friendly |
Yes |
| Insulation |
36 Hrs Cold / 18 Hrs Hot |
| Lid Technology |
Fast-acting, screwless lid (One-Handed Open) |
| Best Used For |
Coffee, Tea, Lemon Water, Acidic Drinks |
| Internal Lining |
None (100% Uncoated Pure Steel) |
📚 Deep Dive: The Science of Your Bottle
Not sure what makes our 316L medical-grade steel different? Read our lab-backed comparisons: