PVC; Reusable doctor shaped hot/cold aqua bead gel therapy pack for temporary relief of sore muscles; Features lab coat stock art pre-printed on the front of each piece; Refrigerator and freezer friendly Microwave safe (refer to instructions on back) Hand wash with soapy water; Instructions printed on back; Ingredients: Water, Glycerin, Sodium Polyacrylate; Latex-free Non-toxic; WARNING: Not intended for children under the age of 3; Shipping available to contiguous U.S. addresses; Product Size: 5.25 w x 6 h x 0.75 d