It is a special product with a Double-Sided Adhesive Peel/Apply adhesive used to secure the cliché to the Printing Cylinder or Acetate. It does not leave adhesive residue on the cylinder, cliché or acetate during disassembly. It does not wrinkle during assembly thanks to its wavy or embossed protector and does not cause air bubble problems. It is easy to expose. It is available in PVC, Fabric, and Foam versions suitable for different cliché thicknesses.