1.Material: It's made of 600D polyester and PVC 2.We have passed ISO9001 Quality Certification 3.Rubber cap to protect tools ItemFlex Rubber Knee Pad Material600D+PVC Sizeone size fits all user ColorBlack CustomizedOEM&ODM LogoPrinting, Embroidery, Rubber DescriptionBlack grooved cap design prevents thread abrasion and kneeps oil, dust freeSuper though, light weight, fabric covering Velcro ...