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For your outdoor adventures, you need a reliable hydration companion. Our collection of stainless steel small mouth flask options is engineered for durability and performance. Whether you're hiking, camping, or fishing, our insulated small mouth flask ensures your beverages stay at the perfect temperature for hours. The 1 liter small mouth flask offers ample capacity for long trips, while the advanced design of our leakproof small mouth flask guarantees no spills in your backpack. We focus on creating products that enhance your experience in the wild.


The TrailMaster Outdoor Small Mouth Flask is meticulously crafted for those who demand the best from their gear. Its design prioritizes ease of use and reliability in any environment. Below are the detailed specifications that set this flask apart.

  • Material: 18/8 Food-Grade Stainless Steel
  • Capacity: 1 Liter (33.8 fl oz)
  • Insulation: Double-Wall Vacuum Insulation
  • Mouth Opening Diameter: 1.5 inches
  • Lid Type: Screw-On, Leak-Proof Cap with Gasket
  • Exterior Finish: Powder-Coated, Non-Slip Surface
  • Weight: 450 grams (Empty)
  • Carry Handle: Integrated Stainless Steel Loop
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Feature Specification Benefit
Temperature Retention Keeps liquids hot for 12 hours, cold for 24 hours Ideal for all-day outings in varying climates
Lid Seal Silicone O-ring 100% leak-proof guarantee
Dimensions (H x W)10.5" x 3.5" Fits standard backpack side pockets and cup holders
Warranty Lifetime warranty against manufacturing defects Long-term investment in quality
Care Instructions Dishwasher safe (top rack recommended) Easy cleaning and maintenance

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