LP Knee Support Brace Unique design provides firm support for joints with gentle compression over the kneecap. Helps relieve pain from injured or weak knees. Conforms naturally to the contour of the knee so it will not slip or ride up. Helps with symptoms and injuries such as: Knee pain with a sensation of locking and/or swelling, Pain when kneeling + swelling around kneecap, Knee arthritis, Bursitis, and Meniscal Injury.Knee Support SizeMeasure the circumference of the knee at the patella with the knee fully extendedS - 27.9-33.0cm M - 33.0-40.0cm L - 40.0-47.0cm XL - 47.0-54.6cm XXL - 54.6-61.6cm Knee Brace Composition50% Nylon, 30% Spandex, 20% CottonKnee Brace Support Washing InstructionHand wash in cold water with mild soap. Rinse thoroughly.Air dry at room temperature.Do not machine wash or dry.Should a rash or irritation occur, discontinue use and consult your physician.