... +100% nylon 3) passed ROHS&SGS Velcro ski belt 4)For wrist&knee protection,str Usageuse ... velcro, hook&loop,size 10MM----180MM,elastic velcro, velcro tape,velcro straps,self- adhensive velcro, veclro cable ties,book strap, wrist band,velcro ski strap,ski ... band,injection hook,velcro ...