[ICE PACK COOL BLOCKS]This set of 6x Ice blocks will provide an instant cooling effect which will keep your food and drink chilled all day long.Reusable cooling ice pack to keep your cooler bag freezer cold for longer time [FEATURE]These ice cooler blocks with compact size,very space saving,lightweight and portable,that fit perfectly in backpacks,cool bag,or cool box [LEAKPROOF DESIGN]Our travel ice freezer blocks secures with a heat sealed lid,can avoid liquid leakage.Easy to clean and reusable,only wash with warm soapy water [SECURE MATERIAL]The shell of the freezer packs are made of thickened PETG material,filled with secure gel,can be recycled and will never fail.Note:The gel is in the package.After receiving the goods,the customer needs to add water and then freeze it for use [WIDE APPLICATION]The ice brick packs are suitable for outdoor camping,car travel,picnic,BBQ,garden party,tourism,beach,office,fishing trips,hiking,etc.It keeps your food and drinks cold and fresh for hours