Embrace the challenges of summer with this indispensable long-lasting ice pack. No more worries about adding ice cubes - just mix the special blue ice water formula into each ice pack, place it in the freezer, and you're done. Once frozen, it can maintain a temperature of 18°F for hours, typically lasting between 24 to 48 hours per pack. This ice pack is sturdy and can handle various bumps and drops with ease. Its unique diamond-pattern design not only looks great but also increases the surface area for faster cooling. Made with food-grade HDPE plastic and proprietary deep-freeze gel, it contains no harmful chemicals, ensuring your safety and peace of mind. The specially designed plastic material releases cold air quickly, keeping your food and drinks chilled. Easily replacing a 7 lbs. bag of ice, each pack weighs only 4 lbs. and fits perfectly in most freezers and coolers at 12 in. x 9 in. x1.5 in. Not only convenient, it also keeps your food fresh during power outages. Let our ice pack accompany you through a cool summer.