LASTING COLD - These premium ice packs for coolers are designed to keep your favorite foods and soft drinks cold for up to 48 hours in size-matched coolers. With a phase change point of 18° F, they'll stay colder and last longer than ice BIG & STRONG - Nylon-reinforced for durability, each of these 10"x14"x1.5" large cooler ice packs can replace 5 to 6lbs of traditional ice, leaving more room for food and drinks. Our largest size is designed for use with XL insulated beach cooler totes and large camping coolers. We suggest measuring inside your cooler first! EASY TO USE - Filling our thin reusable ice packs is easy freezy! Simply add water once using the included funnel, shake, plug, screw the cap on & freeze until ready to use. Nylon-reinforced for durability, just prepare once then re-use over and over ON THE GO - The perfect sidekick to every outdoor adventure, these thin freezer packs will help keep food fresh when camping, hiking, or scouting for any traces of the Yeti. THOUGHTFUL GIFTS - If your loved one is an outdoorsy type, you’ll want them to have everything they need when they go off-grid. Our reusable ice packs for coolers are essential camping gear for anyone planning a getaway