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316 Flask Set

Elevate your hydration experience with our premium 316 Flask 500ml. Crafted for the discerning individual, this flask offers the perfect balance of capacity and portability. For those who need a bit more, the 316 Flask 750ml provides extended hydration without compromising the sleek design. Adventure enthusiasts will find their perfect companion in the rugged and reliable 316 Outdoor Flask, built to withstand the elements. Meanwhile, the convenient 316 Car Flask ensures your favorite beverage stays at the ideal temperature during commutes and road trips. Each piece in our collection is meticulously engineered from high-grade 316 Stainless Steel, offering superior durability, temperature retention, and a pure taste with every sip.


The 316 Flask Set represents the pinnacle of functional design and material science. Constructed entirely from 316 Stainless Steel, a marine-grade alloy, these flasks provide exceptional resistance to corrosion, pitting, and rust, far surpassing the capabilities of common 304 stainless steel. This makes them ideal for holding not just water, but also acidic juices, coffee, and other beverages without risk of metallic leaching or flavor transfer. The vacuum insulation technology creates an airless space between double walls, ensuring beverages stay icy cold for over 24 hours or piping hot for up to 12 hours. Every component, from the wide mouth for easy cleaning and ice filling to the leak-proof, threaded cap with a reliable silicone seal, is designed for real-world use and longevity. The exterior features a durable, sweat-proof finish that is both aesthetically pleasing and easy to grip.

Technical Specifications: 316 Flask Set

Model Capacity Height Diameter Weight (Empty) Insulation Performance Thread Type
Standard Flask 500ml / 16.9oz 9.2 in / 23.4 cm 2.8 in / 7.1 cm 11.3 oz / 320 g Cold 24+ hrs, Hot 12 hrs Standard Wide-Mouth
Large Flask 750ml / 25.4oz 10.6 in / 26.9 cm 2.8 in / 7.1 cm 13.8 oz / 390 g Cold 24+ hrs, Hot 12 hrs Standard Wide-Mouth
Outdoor Flask 500ml / 16.9oz 9.2 in / 23.4 cm 2.8 in / 7.1 cm 12.3 oz / 350 g Cold 24+ hrs, Hot 12 hrs Reinforced Locking
Car Flask 450ml / 15.2oz 7.5 in / 19.0 cm 3.1 in / 7.9 cm 10.6 oz / 300 g Cold 18 hrs, Hot 10 hrs Push-Button Lid

Key Features & Material Advantages

  • Superior 316 Stainless Steel: Contains molybdenum for enhanced resistance to chlorides and corrosive environments.
  • Advanced Vacuum Insulation: Copper-lined vacuum chamber for maximum thermal efficiency.
  • 100% Taste-Free Guarantee: Interior lining prevents flavor absorption, ensuring pure taste.
  • Leak-Proof & Spill-Proof Design: Precision-engineered caps with BPA-free silicone gaskets.
  • Versatile Wide Mouth: Accommodates ice cubes, easy cleaning, and compatible with most bottle brushes.
  • Durable Exterior Finish: Powder-coated or brushed stainless steel options resistant to scratches and dents.
  • Dishwasher Safe (Cap components may vary): Easy maintenance for day-to-day cleaning.
  • Ergonomic Design: Contoured shape for a secure, comfortable grip in any setting.

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