Set of 4 slim reusable ice packs in fun bright colors Perfect slim size designed to use individually to fit into all types of lunch bags and boxes Each ice pack measures 4.75" x 3.15" x 0.25" Ice packs cannot be placed in the dishwasher or microwave International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.