... , XL 3) Material: nylon, elastic, acrylic 4) ISO9001 ISO13485 BSCI High elasticity elbow support 1.Material: nylon, elastic, acrylic 2.Size: S, M, L ... comfortable pressure and maximum body heat retention around the elbowHigh elasticity elbow support Materialnylon, elastic, acrylic SizeS, M, L, XL Colorblue,any other ... you have any questions,please feel free to contact us High elasticity elbow support