Sectional fixed monolithic design make the user to adjust according to the curve difference of individual arm, reduce the possibility of less protection due to brace against the paste, segmented bound structure can make effectively compression on the forearm and upper arm muscle to prevent pulling injury due to muscle stretch. traditional neoprene material can provide the basic function of keeping warm for elbow joint muscle, can avoid and reduce the man with rheumatoid arthritis，Dipping in cold or warm water with detergent dry in the sun. powder for 100 minutes..... cleaning by water..... Don't wash by washing machine. No iron. Material: > 70% synthetic rubber,30% stretch nylon 70%，30% KAWASAKI ISO9001/ISO13485，ISO14001/ISO9001