REUSABLE COLD/HOT PACK COVERS CRYOSLEEVE Dual purpose - flexible ice or soothing heat. Cold for pain and swelling, heat for muscle aches and stiffness. Includes a protective cover with elastic strap to secure pack in place This Product Contains Dry Natural Rubber. Ideal for pain and swelling caused by bumps, bruises and sprains and for soothing muscle aches and stiffness