4PCS Ice Packs for Swamp Cooler, Reusable Freezer Blocks

Reusable swamp cooler ice packs deliver quick, long-lasting cooling for portable air conditioners, coolers, and outdoor use. These compact freezer blocks are perfect for maintaining freshness. Simply freeze the ice blocks and place them into your swamp cooler or fan for immediate cooling relief. Made from durable PE material, they are reusable and long-lasting. Each ice block measures 5.5 x 3.4 x 0.9 inches, making them easy to carry for travel, camping, and office use.