Material:neoprene, fish h, medical PP strips Item:Lower Back Waist Belt Brace N.W.:0.35kg(12.35oz) Color:black&blue Size:S~XXXXXL Feature:High elastic,double pull,good permeability Function:relieve back pain, protect back from injury Sample:Available LOGO:Aofeite or customized OEM ODM:Accepted Certificate:FDA & CE & ISO9001 & BV