You'll never go back to conventional ice packs! Instant freezing -11.3℃ for up to 8.5 hours. Thin 13mm, powerful stainless steel ice pack. Long-lastin

【Powerful Cooling -11.3℃】 Cools down to -11.3℃ in just about 1 hour in the freezer. Keeps drinks and food in your cooler box chilled for up to 8.5 hours.

【Highly Durable Stainless Steel】 Made of high-quality stainless steel. Unlike gel-type coolers, it's less prone to breakage and has a durable design that won't easily break even if dropped.

【Completely Waterproof & Leak-Free】 The sealed structure prevents leaks, keeping your cooler box or bag clean. It's washable for hygienic use.

【Slim 13mm Design】 With a thickness of only about 13mm, it's slim and doesn't take up much space in your cooler box or lunch bag, allowing for efficient cooling.

【Suitable for Outdoors and Everyday Use】 Suitable for a wide range of uses, including camping, fishing, BBQ, sports events, picnics, and keeping lunches cool. This eco-friendly cooler is reusable.