Decreases edema & hypertrophic scarring of arm.Sizing: Measure circumference of upper arm approximately 1" below axilla.Small: 7-1/2" to 9-1/4", 13" length Medium: 9-1/2" to 11-1/2", 15-1/2" length Large: 11-1/2" to 13-1/2", 18" length.    #2970004241-Sm Each     #2970004240-Md Each    #2970004239-Lg Each Contains Latex UNSPSC#42142802