LIOOBO 8pcs Reusable Ice Packs for Air Conditioner Fan Freezer Packs for Coolers and Lunch Boxes Ice Cooling Blocks for Room Air Cooler, Blue

["Rapid Cooling Power: These ice crystal boxes are specifically designed to boost the cooling effect of air conditioner fans and evaporative coolers for a frostier breeze","Slim and Versatile Fit: The compact shape allows these ice packs to fit easily into narrow water tanks of air coolers as well as crowded lunch boxes or picnic bags","Nice Chill: Filled with high density ice crystals to provide hours of consistent coldness keeping your indoor environment cool or your food fresh for longer","Leak Proof and Durable: Constructed with thickened plastic and secure sealing to prevent any messy leaks while being reusable for countless freeze cycles","Easy to Use and Store: Simply freeze blocks for 4 to 6 hours before use then wipe clean and stack them neatly in the freezer without taking up much space"]