Gym One-button Open Flask

Staying hydrated during intense workouts is non-negotiable, but fumbling with complicated lids can break your flow. This is where the Gym One-button Open Flask fundamentally changes the game. Engineered for serious fitness enthusiasts, this flask prioritizes effortless access, allowing you to hydrate instantly with a single, simple press. It’s the perfect blend of smart design and robust functionality, built specifically to withstand the rigors of the gym environment. The core of its durability and sleek look comes from its premium Stainless Steel One-button Open Flask construction. This isn't just about looks; the double-wall vacuum insulation ensures your cold water stays refreshingly cold for hours, making it a truly effective Insulated One-button Open Flask. Worry about spills is a thing of the past, thanks to its advanced sealing technology that guarantees it is a completely Leakproof One-button Open Flask, safe to toss in your gym bag. For the ideal balance of capacity and portability, our popular 20oz One-button Open Flask model provides ample hydration without being bulky.


The Gym One-button Open Flask is meticulously crafted with precision details that cater directly to an active lifestyle. Every component, from the durable 18/8 food-grade stainless steel body to the surgical-grade silicone seal, is chosen for performance and safety. The one-button mechanism itself is designed for thousands of reliable cycles, ensuring smooth operation day after day. It features a wide mouth for easy cleaning and adding ice cubes, while the ergonomic, non-slip grip provides a secure hold even with sweaty hands. The flask maintains temperature exceptionally well, keeping liquids cold for up to 24 hours or hot for up to 12, making it versatile beyond the gym. Below are the detailed specifications that highlight its professional-grade build.

Key Features of the Gym One-button Open Flask

  • One-Touch Open Lid: Patented button mechanism for instant, single-handed hydration.
  • Double-Wall Vacuum Insulation: Keeps beverages cold for 24 hours or hot for 12 hours.
  • 100% Leakproof Guarantee: Advanced locking system and silicone gasket prevent any spills.
  • 18/8 Food-Grade Stainless Steel: Odor-resistant, BPA-free, and highly durable interior.
  • Sweat-Resistant & Ergonomic Grip: Textured powder-coated exterior for a secure hold.
  • Wide Mouth Opening: Facilitates easy filling, cleaning, and adding ice cubes.

Technical Specifications

Parameter Specification
Material (Body & Lid) Premium 18/8 Stainless Steel
Insulation Technology Double-Wall Vacuum Insulation
Seal Material Surgical-Grade Silicone
Capacity (Standard Model) 20 oz / 591 ml
Height (with lid) 10.2 inches / 26 cm
Diameter 2.8 inches / 7.1 cm
Weight (Empty) 12.3 oz / 349 g
Cold Retention Up to 24 Hours
Hot Retention Up to 12 Hours
Dishwasher Safe Top Rack Recommended (Lid hand wash)
Warranty Lifetime Warranty on Materials & Workmanship

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