10 Pieces Ice Packs for Coolers, Reusable Ice Blocks, Long

【And Sturdy】 These ice packs for coolers are durable, leak-proof, sturdy, compact, and easy to clean. The shell is made of thickened PE material. 【Good Expansion】 This ice pack contains dry ice particles. The particles are coarse, expand well, and retain cold effectively. Its large capacity and high energy storage allow for extended use, ideal for cooling down and cycling. 【Widely Used】 These reusable lunch ice packs can be used for food refrigeration, breast milk preservation, air conditioning fan ice crystals, nursing care, refrigerated transport for self-drive barbecues, and more. 【Water Expansion】 Ice crystals expand during the water absorption and freezing process, so do not overfill when adding water; leave some space. Place in the refrigerator to freeze for approximately 2 to 4 hours and can be removed for use in lunch bags, etc. 【Good Cold Insulation】 These cooler ice packs can be used as air conditioning fan ice packs, cooling air conditioning fans to make the air colder and more frosty. They provide super long-lasting cold storage and can be used repeatedly. Caution: Not suitable for children under 3 years old. Use under adult supervision.