ClearLay Vinyl Sheets and Film, are made of rigid PVC, which is PVC that contains no plasticizers. Plasticizer is used to give Vinyl it’s soft feeling and greater pliability. The softer the Vinyl the more plasticizer has been used. The absence of plasticizer in Clearlay makes the film relatively hard. On the other end of the scale is our Grafix Cling Vinyl sheets that are loaded with plasticizer, which is what makes them adhere to ultra smooth surfaces. Flexible Vinyl Sheets have a measured amount of plasticizer to give them a targeted softness (called “Hand” in the Vinyl Industry).