Stainless steel cold pack ice pack long lasting compact reusable cooler box outdoor leisure thin lunch box cool rectangular cool

A stainless steel ice pack that can be used repeatedly. Stainless steel material is resistant to heat and acid, and does not transfer taste or odor, making it safe. Unlike regular gel-type ice packs, it takes advantage of the high thermal conductivity of stainless steel, allowing it to stay cold for a long time and cool down in a short time. ・High cooling effect Stainless steel has high thermal conductivity, so the cooling effect spreads quickly. It can cool you more evenly than ice or gel ice packs. The slim design makes it ideal for keeping bento boxes and drinks cold. ・Reusable: Environmentally friendly as it can be washed and used over and over again. It does not easily deteriorate and can be used for a long time. - Highly durable Made of stainless steel, it is hard to break and lasts a long time. Compact and easy to carry. Size: Approx. 17.5 x 11.5 x 1.3cm Weight: Approx. 460g Estimated freezing time: 3-5 hours or more A stainless steel ice pack that can be used repeatedly. Stainless steel material is resistant to heat and acid, and does not transfer taste or odor, making it safe. It can stay cold for a long time and can be cooled in a short time. The compact shape makes it easy to carry, making it ideal for outdoor activities, leisure activities, and even everyday shopping.