This Neoprene shoulder support is made from high quality neoprene rubber which provides constant uniform compression and support. It also retains warmth which increases blood circulation to the injured area thus promoting natural healing and comfort. In addition, the warming effects on muscles and joints increase flexibility to help prevent sporting injuries. The whole range is suitable for both sporting and everyday use. Note: Medical advice should be sought for severe or persistent injuries. Washing instructions: Hand wash in luke warm soapy water and air dry.