BLUE VINYL COVERED * 3 1/2 x 11 * Seven different sizes of blue vinyl and four sizes of black polyurethane ensure effective cold therapy for any body area or shape * Effective relief of pain * Filled with a non-toxic silica gel that remains pliable throughout treatment * Delivers up to 30 minutes of soothing relief from acute pain swelling and fever * Latex free * One year Warranty *HCPCS Suggested Code: E0230