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316 Outdoor Flask

For adventurers and professionals who demand uncompromising quality and durability, the 316 Outdoor Flask is the ultimate hydration companion. Built to withstand the rigors of any environment, from mountain trails to urban commutes, this flask is engineered using premium 316 stainless steel. This superior material offers exceptional resistance to corrosion, pitting, and cracking, ensuring your drinks stay pure and the flask lasts for years. Whether you need a reliable 316 Flask 500ml for a day hike, a generous 316 Flask 750ml for extended journeys, a convenient 316 Car Flask for road trips, or a sleek 316 Office Flask for the workplace, our range is designed to meet every need. The advanced vacuum insulation technology maintains beverage temperature for hours, keeping coffee piping hot or water refreshingly cold. Its ergonomic design, secure leak-proof cap, and easy-grip surface make it the perfect choice for active lifestyles.


The 316 Outdoor Flask stands apart due to its meticulous construction and user-centric features. Every component is selected for performance and longevity. The flask's interior is crafted from medical-grade 316 stainless steel, which is non-reactive and will not impart any metallic taste to your beverages, whether it's water, juice, coffee, or even acidic drinks. The exterior features a rugged, scratch-resistant finish that looks great and provides a secure grip in all conditions. The wide mouth allows for easy filling, cleaning, and adding ice cubes. The double-wall vacuum insulation is a core feature, creating a powerful barrier against external temperature changes. This means your hot drinks stay hot and your cold drinks stay cold significantly longer than with ordinary flasks. The screw-on lid incorporates a reliable silicone gasket, ensuring a perfect seal to prevent leaks and spills in your backpack, car cup holder, or on your desk. Designed for everyday resilience, the 316 Outdoor Flask is more than just a container; it's a reliable piece of gear built for those who value quality, convenience, and performance in their daily hydration.

Specification Detail
Primary Material 316 Stainless Steel (Interior & Exterior)
Insulation Type Double-Wall Vacuum Insulation
Capacity Options 500ml, 750ml
Lid Material Food-Grade PP with Silicone Seal
Temperature Retention (Hot) Up to 12 hours
Temperature Retention (Cold) Up to 24 hours
Mouth Diameter Wide Mouth (48mm)
Height (750ml) Approx. 27cm
Diameter (750ml) Approx. 8.5cm
Weight (Empty, 750ml) Approx. 450g
  • Unmatched Durability: 316 stainless steel construction resists rust, corrosion, and impacts.
  • Superior Insulation: Keeps beverages at the desired temperature for extended periods.
  • Taste Preservation: Non-reactive interior ensures drinks taste exactly as they should.
  • Leak-Proof Guarantee: Secure sealing lid prevents any spills during transport.
  • Easy Maintenance: Wide mouth allows for straightforward cleaning; dishwasher safe (top rack recommended).
  • Versatile Use: Perfect for outdoor adventures, travel, commuting, sports, and office use.
  • Ergonomic Design: Comfortable to hold and carry, with a balanced weight distribution.

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