These ingenious 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 used over and over, simply microwave for hot therapy, or freeze for cold (detailed instructions are printed on the back of each pack). They are the perfect promotion items for hospitals, doctor's offices, health fairs, or spas. Available in four stock colors. These products are not intended for use by children or pets. 4" W x 3.5" H