Made of environmental protection PVC material. Suitable for the storage of all philatelic items,from single stamps,s bookletsmpartial sheets to postacards,paper currency photos Double glassine interleaving is provided between each page. Simple to use and easy to clean, very practical. Durable ,keep the photos from being damp and aging,transparent design. Description: Made of environmental protection PVC material Simple to use and easy to clean, very practical. ack pages are double sided with black background. Suitable for the storage of all philatelic items,from single stamps,FDC's bookletsmpartial sheets to postacards,paper currency photos, etc. Specification: Types: A, B, C, D, E, F, G, H, I, J, K, L Material: PVC Size: about 21.5x28cm Quantity: 10Pcs/Lot Package included: 10Pcs Stamp Pages Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3cm differences due to manual measurement.