Products

Outdoor Stainless Flask

For those who demand durability and reliable temperature retention on the go, the right outdoor stainless steel flask is a non-negotiable piece of gear. The core of a high-performance flask lies in its construction. Premium options often utilize 304 Stainless Steel, known for its excellent corrosion resistance and durability, making it a standard for food-grade containers. For even greater resilience, especially against harsh elements or corrosive liquids, a 316 Stainless Vacuum Flask offers superior performance. Capacity is another key consideration; whether you need a compact companion for a short hike or a larger reservoir for all-day adventures, you can find the perfect size, from a convenient 500ml Stainless Flask to a more substantial 750ml Stainless Flask. The foundation of any great flask is its material, and starting with a high-quality 304 Stainless Vacuum Flask ensures your drink stays at the desired temperature for hours, whether it's steaming hot coffee on a cold morning or ice-cold water under the summer sun.


The <产品名字> is engineered to meet the rigorous demands of outdoor enthusiasts. It combines advanced vacuum insulation technology with a rugged, user-friendly design. Every component, from the wide mouth for easy cleaning and filling to the secure, leak-proof lid, is crafted for convenience and reliability. The exterior features a textured, powder-coated finish that provides a confident grip in wet conditions and resists scratches from gear. Below are the detailed specifications that define the performance and build quality of the <产品名字>.

Key Specifications of the <产品名字>:

  • Material: 18/8 Food-Grade Stainless Steel (Inner/Outer Wall)
  • Insulation: Double-Wall Vacuum Insulation
  • Capacity: Available in 500ml and 750ml sizes
  • Lid Type: Screw-on, Leak-Proof with Integrated Loop
  • Temperature Retention: Keeps liquids hot for 12 hours or cold for 24 hours*
  • Exterior Finish: Durable Matte Powder Coat
  • Dimensions (500ml): Height: 9.5" (24cm), Diameter: 2.8" (7cm)
  • Weight (500ml): 12.3 oz (350g)
Feature 500ml Model 750ml Model
Hot Retention (≥60°C) 12 hours 12 hours
Cold Retention (≤10°C) 24 hours 24 hours
Body Diameter 2.8 inches (7 cm) 3.1 inches (8 cm)
Total Height 9.5 inches (24 cm) 11 inches (28 cm)
Bottle Weight (Empty) 12.3 oz (350 g) 14.8 oz (420 g)
Mouth Opening Wide Mouth (48mm) Wide Mouth (48mm)

*Temperature retention times are based on controlled laboratory conditions with the flask pre-chilled or pre-heated. Actual performance may vary slightly with usage and ambient conditions.

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