Colpac Polyurethane Covered Standard 10 x13.5 (25x34cm) Electrotherapy 25 (Total Lock Caster Sys The wetness indicator turns 25 (Total Lock Caster Sys DIA: 10mmHg~100mmHg BLACK POLYURETHANE COVERED * Standard 10 x 13 5 (25 x 34 cm) * 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 Shipping Carton Size: 14 L x 12 W x 8 H