... film , and it can be used in the window decoration, small handicraft, traffic signs, glass sandblasting, advertisements, etc.JC-K-1700 ... of application :This products apply to the advertisement making,light box making , woven bag printing , engraving Reflective film ,CAD, engraving 3M ... material are organic material , the materials of soft and two-double ,less than 1mm thickness are better ,