Abstract: A disintegrating tamper-proof masking label comprising an opaque paper label having an adhesive backing for adhering said opaque label to a medium to be masked, a silicon coated polystyrene backing paper for holding said label, said label being peeled from said polystyrene backing so as to be applied to a medium to be masked, said label having a plurality of cuts such that when said label is removed from said medium, said label fragments thereby evidencing of said label.