Item DescriptionPCB Labels have a pressure-sensitive adhesive backing. The environmental labels are printed with fade-resistant inks on PVC-free film to provide all-weather durability. These 2" x 1" hazardous substance labels say: No PCBs. PCB labels feature automotive-grade ink pigments and specially formulated adhesives and are constructed of rugged, flexible material. PCB Labels are sold in rolls of 500 labels.