Material:polyester,have SGS,ROHS certificate,velcro tape,velcro,self adhesive velcro polyester velcro tapeDetails:1) Material: 100%,polyester2) Normal sizes: 16mm, 20mm, 25mm, 30mm, 40mm, ... /carton 25m/roll 50mm 2*250m/carton 25m/roll polyester velcro tape