C.R. Gibson Scrapbook Top Loading Refill Pages, 2 Packs of 5 Sheets - 8.5 In. X 11 In. 3 packs of 5 top loading sheet protectors, 10 quality scrapbook pages. 2 extra post extensions and 2 spacers. Archival quality, acid free, PVC free. Refill for Markings by C.R. Gibson formats MS56, 8 1/2" x 11" postbound and 3-ring memory books