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500ml Stainless Flask

Finding a reliable companion for your daily hydration or outdoor adventures requires a product built to last and perform. The 500ml Stainless Flask is engineered to meet these demands, offering robust construction and superior insulation in a perfectly portable size. For those seeking specific material grades, explore our premium 304 Stainless Vacuum Flask for excellent durability or the advanced corrosion resistance of our 316 Stainless Vacuum Flask. If you need greater capacity for longer trips, our 750ml Stainless Flask is an ideal choice. Designed to withstand the elements, this flask is a quintessential piece of gear for any enthusiast, fitting seamlessly into the category of a dependable Outdoor Stainless Flask.


The <产品名字> is more than just a container; it's a meticulously crafted tool for modern life. Its core performance stems from a high-quality, double-wall vacuum insulation system. This technology creates a barrier that significantly slows heat transfer, keeping your hot beverages piping hot for up to 12 hours and your cold drinks refreshingly chilled for over 24 hours. The exterior is constructed from durable, food-grade stainless steel that is resistant to dents, odors, and rust, ensuring both longevity and taste purity. A secure, leak-proof screw cap with a silicone gasket guarantees that your bag or car stays dry, while the sleek, ergonomic design provides a comfortable, non-slip grip. Whether it's morning coffee on the commute, water during a gym session, or a warm drink on a hiking trail, the <产品名字> delivers consistent temperature retention and reliable performance.

Key Features at a Glance:

  • Optimal Capacity: 500ml (16.9 oz) – perfect for personal daily use.
  • Superior Insulation: Double-wall vacuum technology for extended temperature retention.
  • Rugged Construction: Made from high-quality, BPA-free stainless steel.
  • Leak-Proof Guarantee: Secure screw-top lid with a silicone sealing ring.
  • Versatile Use: Suitable for both hot and cold beverages.
  • User-Friendly Design: Ergonomic shape for easy carrying and drinking.

Detailed Product Specifications

Specification Detail
Material (Inner/Outer Wall) 304 Stainless Steel (Food Grade)
Insulation Type Double-Wall Vacuum
Capacity 500 Millilitres (approx. 16.9 US fl oz)
Hot Retention (≥68°C) Up to 12 hours
Cold Retention (≤10°C) Up to 24 hours
Lid Type Screw Thread with Silicone Seal
Product Dimensions (H x Dia) 23cm x 7cm (9" x 2.75")
Weight (Empty) 280 grams (9.9 oz)
Dishwasher Safe Yes (Top rack recommended)

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