Blue Vinyl Covered * Oversize 11 X 21 * 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 * Notice To California Consumers: Warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm *