This refill is for Pioneer Style No. SJ-50 screw post bound scrapbooks. It contains 20 jumbo 11.75 x 14 inch buff (beige) color paper pages (10 sheets) and is ideal for larger memorabilia. Also fits Pioneer SJ-100 and SJ-100K scrapbooks. Side loading, clear plastic slip-on sheet protectors are also available (Style No. 1-SJP). Archival, photo safe: acid and PVC free. Item measures approximately 0.25 x 12.125 x 14.25 inches (L x W x H).