Stainless Steel One-button Open Flask

Discover the ultimate companion for your daily hydration and on-the-go adventures: the Stainless Steel One-button Open Flask. Engineered for convenience and superior performance, this flask redefines ease of use. We understand that needs vary, which is why our technology is featured across a specialized range. For maximum temperature retention, explore our Insulated One-button Open Flask, perfect for keeping drinks hot or cold for hours. For absolute peace of mind during travel or in your bag, our Leakproof One-button Open Flask offers guaranteed spill-proof security. Need a compact size for your commute? The 20oz One-button Open Flask is ideal. For those who require more capacity for all-day hydration or outdoor activities, the 32oz One-button Open Flask is the perfect solution. Each model integrates our signature one-touch mechanism for effortless, single-handed operation.


At the heart of the Stainless Steel One-button Open Flask lies a commitment to durability, hygiene, and user-centric design. Constructed from premium 18/8 food-grade stainless steel, it ensures your beverages taste pure, free from metallic flavors or plastic leaching. The advanced vacuum insulation technology creates a powerful barrier, significantly extending the temperature retention of your liquids compared to ordinary bottles. The standout feature is the ingenious one-button open lid system. A simple press opens the drinking spout smoothly and quietly, allowing for quick hydration without unscrewing caps or struggling with complex mechanisms. This intelligent design, coupled with a secure locking position, makes it incredibly easy to use whether you're driving, hiking, or working at your desk. The flask is designed for everyday resilience and easy maintenance, featuring a wide mouth for effortless cleaning and filling with ice cubes.

Key Specifications & Features

  • Primary Material: 18/8 Food-Grade Stainless Steel (Inner & Outer Wall)
  • Lid Mechanism: Patented One-Button Open/Close System
  • Insulation: Double-Wall Vacuum Insulation
  • Temperature Retention: Keeps drinks hot for up to 12 hours and cold for up to 24 hours*
  • Lid Material: BPA-Free, Food-Safe PP Plastic
  • Leakproof Design: Silicone sealing gasket for a secure, spill-proof closure
  • Surface Finish: Durable, sweat-proof powder coating
  • Care Instructions: Dishwasher safe (top rack recommended); hand wash preferred for lid
Available Models & Dimensions
Model Capacity Approx. Height Approx. Diameter Best For
Standard 20 oz (590 ml) 10.2 in (26 cm) 2.8 in (7.1 cm) Commuting, Gym, Office Use
Large 32 oz (946 ml) 11.4 in (29 cm) 3.5 in (8.9 cm) Hiking, Travel, All-Day Outdoor Activities

*Temperature retention times are approximate and can vary based on initial liquid temperature and ambient conditions.

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