Description These cooling blocks are designed to keep your space refreshingly cool. They are practical for use in portable air conditioners, ensuring a steady release of cold air. The sleek design allows them to fit seamlessly into any cooling device, making them ideal for home, office, or outdoor use. Enjoy a comfortable environment with these efficient cooling choice. Features -Color:Sky-blue -Material:PE -Size:11.50X4.00X3.00cm/4.52X1.57X1.18in -Unique ice crystal technology: experience rapid cooling with our advanced ice crystal technology, enhancing the cooling effect of your air cooler and making hot summer days instantly refreshing -Reusable: designed for multiple uses, our ice packs are reusable, reducing waste and practical for home, office, and various other settings -Compact design: the small and portable design allows for easy storage and transportation, ensuring you can enjoy a cool environment wherever you are without taking up much space -Efficient cold retention: our ice packs provide longterm cold release, eliminating the need for frequent replacements and ensuring continuous comfort over extended periods -Easy to use: no special skills required, simply place the ice packs in your air cooler and enjoy the convenience and comfort brought by modern technologyPackage list: 6 x ice crystal box