Leakproof One-button Open Flask

Navigating a busy day requires reliable gear. Our innovative Stainless Steel One-button Open Flask is engineered for ultimate convenience and durability. Say goodbye to cumbersome lids and unreliable seals. With a simple press, enjoy one-handed, effortless access to your beverage. The core of its performance lies in its superior Insulated One-button Open Flask construction, designed with double-wall vacuum technology to keep drinks at their perfect temperature for hours, whether it's a morning coffee or a post-workout smoothie. We offer versatile sizes to fit every need. The portable 20oz One-button Open Flask is ideal for short commutes and gym sessions, while the high-capacity 32oz One-button Open Flask is perfect for long workdays, hiking adventures, or ensuring you stay hydrated throughout the day. Every detail is crafted for a seamless, leak-proof experience.


The defining feature of the Leakproof One-button Open Flask is its foolproof sealing mechanism. The lid's intelligent design engages completely with a distinct, satisfying click, creating a perfect seal that prevents spills in bags, cup holders, or when tipped over. This leakproof guarantee is rigorously tested, providing confidence for your most active and demanding days. Beyond its primary function, the flask is crafted from high-quality, BPA-free, food-grade 18/8 stainless steel, ensuring your drinks taste pure without any metallic aftertaste. The exterior features a durable, sweat-proof finish that resists condensation and is easy to clean. The ergonomic, non-slip base provides stability on any surface, and the streamlined design fits most standard car cup holders and bag pockets comfortably. It’s a thoughtfully designed vessel built for modern life.

Key Specifications & Features

  • Advanced One-Touch Lid: Patented push-button mechanism for easy, one-handed operation and secure closure.
  • 100% Leakproof Seal: Scientifically engineered gasket and locking system tested under pressure to prevent any drips or spills.
  • Superior Temperature Retention: Double-wall vacuum insulation maintains hot drinks for up to 12 hours and cold drinks for up to 24 hours.
  • Premium Material: Constructed from durable, rust-resistant 18/8 food-grade stainless steel, BPA-free and odor-resistant.
  • User-Friendly Design: Wide mouth for easy filling and cleaning, comfortable grip, and a non-slip, stable base.
  • Versatile Carry Options: Compatible with most vehicle cup holders and designed for easy portability.
Model Capacity Insulation Type Hot Retention (Hours) Cold Retention (Hours) Dimensions (H x Diameter) Weight (Empty)
Standard 20oz 20 oz / 590 ml Double-Wall Vacuum 12 24 8.7" x 2.8" 12.3 oz / 350 g
High-Capacity 32oz 32 oz / 946 ml Double-Wall Vacuum 12 24 10.9" x 3.5" 16.9 oz / 480 g

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