Lp Support Neoprene Shoulder Support-Provides Compression, Support, Warmth And Therapeutic Treatment To Muscle And Shoulder Joint.Stretch Fabric Inside Ensures Comfort During Wear.Minimizes Chances Of Future Injuries.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 Around The Chest.Small - 75.6 - 85.7 Cm.Medium - 85.7 - 95.9 Cm.Large - 95.9 - 106 Cm.Extra Large - 106 - 116.2 Cm.