Cutting-Edge Cool - Our exclusive, patent-pending design sets a new standard for cooler packs. With Below Zero Ice Packs, you get top-tier cooling that's second to none. Advanced Cooling Technology - Leveraging improvements on methods from the medical field, we bring you a superior way to keep your food and drinks ice-cold, surpassing traditional ice and other gel packs. Powered by Natural Ingredients - Our gel packs are supercharged with natural ingredients to keep them cold and fresh upto 8 hours. They're safe, non-toxic, and a Below Zero exclusive. Ready Right Out of the Box - Our tough, leak-proof, puncture-resistant nylon-reinforced aluminum packs are filled and sealed at our facility so you can use them straight away. Note: our pre-filled packs are a bit pricier due to shipping weights, but we also offer a budget-friendly 'fill-it-yourself' option. Perfectly Sized for Portability - Measuring 7.5”x6.5”x1.5”, our ice packs are ideal for lunch boxes, making them great for camping, beach days, school, or the office. Place the pack in a freezer for 12 hours for 70% cooling power or up to 24 hours to reach 100%.