... loop,Sticky back,Adhesive velcro... It is suitable for paper products,plastic,glass,leather,metal,garments... Adhesive Hook and loop ... ,Sticky back,Adhesive velcro...Features and usage:1) Self- ... passed ROHS&SGS, in line with the European environmental protection standards.Specifications:12.5mm,16mm,20mm,25mm,30mm,50mm,60mm ...