Lp Support Knee Stabilizer-Provides Even Compression To Injured Or Recovering Knee.Medial And Lateral Stays Offer Additional Support And Stability.Two Hook And Loop Straps Allow Adjustment For Maximum Compression When Needed.Additional Eva Pad Around Patella Provides Padded Protection And Stabilization To Prevent Patellar Displacement.Materials: 75% Closed Cell Neoprene Foam, 25% Stretch Nylon.Washing Instruction: Hand 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.Size: Measure The Circumference Of The Knee At The Patella With Knee Fully Extended-Small - 33 - 35.8 Cm.Medium - 35.8 - 40.6 Cm.Large - 40.6 - 44.5 Cm.Extra Large - 44.5 - 50.8 Cm.