These ingenious new bead packs can provide both hot and cold therapy care. They are filled with gel peas that mold to your body with ease. Can be us`ed over and over, simply microwave for hot therapy, or freeze for cold (detailed instructions are printed on back of each pack). They are perfect promotional item for hospitals, doctor's offices, health fairs, or spas. These products are not intended for use by children or pets. Complies with CPSIA. 5.5" L x 3.5" H