1,Anti-counterfeit, 2,Hidden message is accept 3,Packing in rolls 4,UL,SGS,ISO9001 5,MOQ:200Square meters When VOIDOPEN appears in both the placement and the back of the label, it indicated evidence of unauthorized entry.Hidden message or customized message is transferred to the applied surface.The surface of label appears hollowed phenomenoncolor, size, hidden message could be customizedBe used ...