back to back velcro material:nylon,PP,pe... color:many color size:10mm~150mm environmental protection ! Titleback to back velcro CategoryVelcroMaterial100% Nylon, 60% Nylon and 40% Polyester ,30 ... velcro,velcro cable tie,hook tape,velcro hair roller,velcro hair tape,coin velcro,die-cut velcro, un-napped loop,soft hook,fabricated velcro and so on. back to back velcro ...