Cooler Shock 4-Pack Mid-Size 10x10 Reusable Ice Packs - Freezes to 18°F / -8°C - Long Lasting Freezer Packs for Coolers and Lunch Boxes - Camping, Fishing, Road Trips, Beach

LASTING COLD - Our ice packs for coolers are designed to keep your favorite foods and soft drinks cold for 24 to 48 hours. With a phase change point of 18° F, they'll stay colder and last longer than ice

VERSATILE - Each of our all-purpose 10" x 10" cooler ice packs can replace 3lbs worth of traditional ice, leaving more room in your cooler for food and drinks. These medium-sized reusable ice packs are designed for use with cooler backpacks, insulated beach cooler totes, picnic baskets, and most medium or large camping coolers

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 to 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!

Food Safe - 18 Degrees F. Originally designed to keep blood shipments cold, Cooler Shock has as much energy as a freezer. Designed to phase change (go from solid to liquid). At 18 ℉ or - 8 ℃ - This releases the largest amount of energy at freezer temperatures to get your food & beverages cold quickly. Cooler Shock makes things colder over time. CoolerShock formula is shipped dry. You add the water and screw the cap on or zip it and seal it. Pack turns to gel in 15 minutes. Lasts 24-48 hours under constant opening and closing of your cooler. Great for fishing, boating, parties and tailgating. Caution: items placed in direct contact may freeze. Good for 100’s of freeze cycles. Pack durability now includes a later of nylon Increasing durability 50% over any competing product. Our packs have the highest heat transfer rate due to our bag design. If you handle them with a bit of care and avoid tossing while frozen or long-term submersion, they will last for years.