8 pack ice packs with self hydration technology to significantly improve cooler efficiency Key benefits Delivers intensive cold retention for over 2 days with stable cooling performance on every use Multifunctional design suitable for cooling fish, pets, coolers, food storage or milk Reusable and easy to prepare for quick refresh of your cooler contents Easy to use and maintain Easy preparation: freeze these packs in 2 to 4 hours with slight expansion, helping to keep meal coolers at the right temperature Durable construction Thick PE outer layer provides strength, permanent sealing, and easy cleaning Seamless technology helps preserve gel integrity during repeated freezing and thawing Use scenarios On fishing trips to keep fish and bait cold from catch to home During travel to keep milk and meals cold or to preserve pet food during transport Outdoor outings such as camping or picnics to maintain cooling for meals in a cooler