These cooling blocks are designed for convenience and efficiency. Their slim profile allows them to fit into tight spaces, making them practical for conditioners. Simply freeze them and place them in your device to enjoy hours of cool air. They are a choice for anyone looking to enhance their cooling experience without hassle. Features -Color:Sky-blue -Material:PE -Size:11.50X4.00X3.00cm/4.52X1.57X1.18in -Innovative ice : experience the benefits of our advanced ice , which rapidly enhances the cooling effect of your air cooler for instant relief -Reusable: these ice packs are designed for multiple uses, making them a choice that helps reduce waste -Compact and portable: the small design ensures easy storage and portability, allowing you to enjoy a cool environment in various settings without taking up much space -Longterm cooling: highefficiency cold retention ensures that the ice packs provide sustained low temperatures, offering without frequent replacements -Effortless operation: enjoy the convenience of modern cooling technology with easy to use ice packs that require no special skills or complicated setup Package list: 6 crystal box