Mueller Elastic Knee Support Sizes: Small 12"-14", Medium 14"-16" and Large 16"-18" Mueller Elastic Knee Support has a contour design that provides firm, lightweight support. Lightweight elastic knit provides firm support and maintains a full range of movement. Custom top weave helps prevent rolling, and reinforced trimmed edges improve durability. Application/Instructions: 1. Slip on to knee. 2. Adjust as needed for a comfortable fit.Intended Use: Provides support to weak, injured, or arthritic knee joints.Cautions/Warnings: This product contains natural rubber latex, which may cause allergic reactions.Care Instructions: Hand wash cold with mild detergent, do not bleach, line dry, do not iron, do not dry clean. Color: Black White Composition: Polyester 60%, Elastic 30%, Spandex 10% Item: 55253