Lp Support Wrist & Thumb Support- Thermal Wrist Support For Tenosynovitis, Carpal Tunnel Syndrome And General Wrist Support.Provides Maximum Comfort, Healing Warmth And Therapeutic Support.Materials: 75% Closed Cell Neoprene Foam, 25% Stretch Nylon.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 Circumference Of Your Wrist.Small - 14 - 16.2 Cm.Medium - 16.2 - 18.7 Cm.Large - 18.7 - 21.3 Cm.Extra Large - 21.3 - 23.8 Cm.Fits Both Left And Right Hand.