Kisangel 4pcs Reusable Ice Blocks Freezer Packs for Cooler Portable Cooler Ice Container Air Conditioner Fan Case

["Reliable for Cold Chain and Outdoor Activities: packs are suitable for maintaining low temperatures during cold chain transport and are ideal for outdoor cooling and food preservation scenarios","Reusable and Eco-Friendly Design: freezer packs are designed for multiple uses, allowing you to refill with and freeze again, reducing waste and supporting efforts","Compact and Versatile Size: Measuring approximately 6.57 by 1.45 by 1.45 inches, these cooler ice packs fit conveniently in various spaces including lunch boxes, cooler bags, and portable fans for outdoor use","Rapid Cooling Technology: These ice blocks for cooler are made from PE ice material designed to quickly lower temperature when , providing efficient cooling for air conditioners and coolers","Easy to Fill and Use: These ice packs for cooler bags are refillable with , making them simple to prepare and according to your cooling needs without complicated setup"]