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304 Stainless Steel Sports Flask

Elevate your hydration game with the robust and reliable 304 Stainless Steel Sports Flask. Engineered for the active individual who demands durability without compromise, this flask is the perfect companion for intense workouts, long hikes, or any on-the-go adventure. Its superior construction ensures your drinks stay at the desired temperature for hours. Whether you're looking for a compact 20oz Sports Flask for a quick gym session, a substantial 32oz Sports Flask for a day trip, or a high-capacity 40oz Sports Flask for extended excursions, we have a size to match your fluid needs. Each model is a premier example of an Insulated Sports Flask, featuring advanced vacuum insulation technology that outperforms ordinary bottles.


The 304 Stainless Steel Sports Flask is meticulously crafted from kitchen-grade 18/8 stainless steel, renowned for its exceptional corrosion resistance and ability to preserve the pure taste of your beverages. It features a double-wall vacuum insulation barrier, creating a powerful layer of thermal protection. This innovative design effectively maintains the temperature of hot liquids for up to 12 hours and keeps cold drinks chilled for a remarkable 24 hours. The flask is equipped with a wide mouth for easy filling, cleaning, and adding ice cubes, complemented by a precision-engineered leak-proof cap that guarantees a secure seal. The exterior boasts a durable, sweat-proof powder coating that provides a comfortable, non-slip grip while preventing condensation. Every component of the 304 Stainless Steel Sports Flask is built to last, offering a sustainable and stylish hydration solution.

Detailed Specifications

Available Sizes & Performance

Model Capacity (oz / ml) Height (in / cm) Diameter (in / cm) Hot Retention* Cold Retention*
Standard 20 oz / 590 ml 10.2" / 25.9 cm 2.8" / 7.1 cm 10 hrs 20 hrs
Large 32 oz / 946 ml 11.4" / 29.0 cm 3.3" / 8.4 cm 11 hrs 22 hrs
X-Large 40 oz / 1183 ml 12.0" / 30.5 cm 3.5" / 8.9 cm 12 hrs 24 hrs

*Retention times are approximate and based on ambient room temperature of 70°F (21°C) with the flask pre-chilled or pre-heated.

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