Housoutil Reusable Ice Packs for Cooler, 8pcs Portable Ice Blocks for Portable Air Conditioner Evaporative Cooler, Medium Freezable Packs for Office Bedroom Living Room Lunchbox and Camping

["Instant Cooling: Simply freeze and insert this ice pack for air conditioner water tanks to quickly lower room temperatures providing a refreshing during hot summer days","Effective Cooling Performance: The ice crystal box design significantly lowers the temperature of your air cooler, providing a that enhances comfort in offices, bedrooms, and living rooms","Compact Space Saving Size: Measuring 5.43x3.38x0.90 inches these Ice Blocks for Cooler fit perfectly into tight evaporative fan tanks or small lunch boxes leaving ample room for food storage","Leakproof Hard Shell: Designed with a sealed exterior these reliable ice packs for ac cooler units prevent messy water leaks protecting your meals and electronic devices from moisture damage","Multi Purpose Utility: Beyond serving as a dedicated ice pack air conditioner insert or ice pack for portable air condition setups they excel in chilling travel bags picnic totes and cold shipping"]