... times specification:20mm wide*30cm long SGS/ROHS elastic book strap/book strap Features:1)Material:ployester & rubber.2)It ... firmly.4)Great for all sorts of package binding,such as luggage,toys,sports equiment,mp3 wristlet,bellyband ... tape,velcro straps,self- adhensive velcro, veclro cable ties,book strap, wrist band,velcro ski strap,ski band,injection ... time if you are free. velcro elastic book strap