... many times specification:20mm wide*30cm long SGS/ROHS elastic book strap/book strap Features:1)Material:ployester & rubber.2)It is ... , velcro tape,velcro straps,self- adhensive velcro, veclro cable ties,book strap, wrist band,velcro ski strap,ski band,injection hook ... wellcome you to contract with any time if you are free. velcro elastic book strap