LB2. LB sheets are cardboard album pages equipped with welded pockets. The film used on LB sheets is made of 100% polystyrene. Leading archives and museums around the world recommend polystyrene for storing stamps, documents, and other valuable archival materials. The pockets provide full protection on all sides of the sheet. With 18 different pocket layouts, a wide variety of combinations is possible. LB sheets are the ideal solution for expanding your LIGHTHOUSE pre-printed albums or topical collections. They are suitable for all kinds of philatelic items such as sheets, postal stationery, First Day Covers, first day pages from the German postal service, souvenir cards from the USPS, blocks, mini-sheets, maximum cards, coil stamps, as well as for the storage of new stamps. The outer dimensions of the LB sheets are 270 x 297 mm, and they fit all LIGHTHOUSE albums.