Black Polyurethane Covered Cervical 21 Long (53 Cm) Long 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