Double-layer ashesive labels, the second set of information appears when the top label layer is peeled off. That means you only need one label for procedures such as ‘Blocked’/'Released'. The removed upper label can also be stuck back on for instance, on the test document.
Product  Features:
A hiden message will appear if the top layer is peeled away.
Double-layer construction reduces total application and removal costs versus single layer protection films.
Individual layers are easily removed using special tool.
Thick polyester film construction prevents typical scratches from affecting layers below.