Freezer Blocks, 10 Pieces Reusable Ice Pack, 200ml Mini Air Cooler Ice Packs, Slim Portable Cooling Gel Ices Packs, Keep Cold and F resh for Bento Coo

Details

• -Efficiency Cold Retention: The ice pack contains large, coarse-grained dry ice crystals with excellent expansion properties, resulting in strong cold retention, large capacity, and energy storage, suitable for long-term, reusable use.
• Leak-Proof and D urable: Made of thickened PE material, the ice pack is leak-proof, sturdy, space-saving, and easy to clean.
• Requires Water Addition: Water needs to be added manually. The ice crystals expand during freezing, so do not fill the pack completely. Freeze for approximately 2-4 hours before use as a lunch bag, etc.
• Excellent Thermal Insulation: The ice pack can be used as ice for air conditioner fans, making the air even cooler and providing extended cold retention. It is reusable.
• Wide Range of Uses: The ice pack can be used for food preservation, air conditioner fan cooling, incubator preservation, breast milk preservation, fish preservation, and pet cooling.