100% polyester quality hook and loop fasteners,different color and size for choice,have SGS,ROHS certificate hook and loop fastenersDetails:1) Material: nylon,nylon mix ... polyester,polyester2) Normal sizes: 16mm, 20mm, 25mm, 30mm, 40mm, 50mm. 100mm and 125mm ... carton 25m/roll 50mm 2*250m/carton 25m/roll hook and loop fasteners