Colpac Polyurethane Covered Oversize 12.5 x18.5 (32x47cm) Jobst Relief 30 40 Knee Hi Model: CK A116 Style:1 Pair (Left & Right) Model: CK A116 5 1 2 x 4 Pk 10 * A transparent polyurethane membrane which creates a moist environment by trapping the wound exudate * Because the dressing is waterproof and aids in the prevention of bacterial contamination OpSite reduces the risk of infection from airborn bacteria * 5 (32 x 47 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 BLACK POLYURETHANE COVERED * Oversize12