Come with 4 cute ice packs and 4 removable sleeves for rotate use. NEWGO ice packs for kids are a fun way to ice down a booboo or ouchies and inspire kids to turn their tears into smiles. These adorable boo boo ice packs provide instant relief from bruises, bump, inflammation, headaches, small joint pain, minor cuts or burns for babies, toddlers, and young children. Cold use by freezing gel pack in freezer for at least 2 hours or heat them up in microwave for 10 seconds for heat therapy. Cleaning Tips: Wipe clean; if necessary, take the pack out of the sleeve and wash the gel both in warm, soapy water; air dry.