... 3)Good after-service High-frequency Velcro tape 1.made of 100%nylon2.Width:10mm,12.5mm,16mm,20mm,25mm,30mm ... also activated by ultra-sonic for applying to some plastic and non-woven materials,used in fields can not be sewn on ... on4.all products have passed ROHS&SGS,and use environmental protection raw material to dye,in line with Eurpean environmental protection standard.5 ...