PTP (press-through-pack) materials for pharmaceutical blister films, SUMILITE^® VSS/VSL/NS are comprised of highly hygienic materials in specific formulations and layer structures. Furthermore, the materials are manufactured under stringent quality controls in accordance with GMP (Good Manufacturing Practice). As shown in the following table, each grade conforms to the Japan MHW Notification No.20, 1982, the JHPA (Japan Hygienic PVC Association) PL standards and JHOSA (Japan Hygienic Olefin and Styrene Association). Also, most of the grades except for a limited number of sheets are registered with the Food and Drug Administration in the USA.