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Leakproof Sports Flask

Stay perfectly hydrated on all your adventures with a 304 Stainless Steel Sports Flask. Designed for the active lifestyle, this high-quality flask is engineered to be completely leakproof, ensuring your bag stays dry whether you're hitting the gym, running trails, or commuting to work. Its durable construction prevents flavor transfer and resists odors, so your water tastes clean and pure every time. Choose the ideal capacity for your needs from our range, including the compact 20oz Sports Flask, the versatile 32oz Sports Flask, or the high-volume 40oz Sports Flask. Each model features a secure, easy-to-use lid that provides a perfect seal every time, backed by premium materials built to last.


Every feature of the Leakproof Sports Flask is meticulously crafted for reliability and user convenience. The flask maintains your beverage at the desired temperature for hours, thanks to its superior vacuum insulation technology. The wide mouth opening allows for easy filling, cleaning, and adding ice cubes, while the comfortable, non-slip grip ensures it stays firmly in your hand during vigorous activity. Its sleek, modern design is not only aesthetically pleasing but also rust-resistant and easy to maintain.

Key Specifications of Our Leakproof Sports Flask

  • Material: Premium 304 Stainless Steel (18/8 food-grade)
  • Insulation: Double-wall vacuum insulation
  • Lid Type: Screw-top with silicone sealing gasket
  • Temperature Retention: Keeps drinks cold for 24+ hours, hot for 12+ hours
  • Features: Sweat-proof exterior, BPA-Free, Odor-resistant
  • Care Instructions: Hand wash recommended; dishwasher safe (top rack)

Available Models & Dimensions

Model Capacity Height (with lid) Diameter Weight (Empty)
Standard 20 oz (591 ml) 9.8 in (24.9 cm) 2.8 in (7.1 cm) 12.3 oz (349 g)
Popular 32 oz (946 ml) 11.2 in (28.4 cm) 3.6 in (9.1 cm) 17.6 oz (499 g)
Large 40 oz (1.18 L) 12.5 in (31.8 cm) 3.7 in (9.4 cm) 21.2 oz (601 g)

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