This case liner is woven from polyester with a vinyl coating of heavy PVC that meets all FDA sanitation guidelines for food contact. Rely on this material to protect your perishables from bruising against hard display surfaces. The mesh design of the case liner allows for airflow while catching debris to help keep display looking clean. Roll size is 48"W by 60'L roll. The case liner is also great for hiding inperfections in your display case.