This is a 6 page mix and match style chipboard album. You can also choose to have all the pages of the album in a single style. The different options are shown in the last photo. The album is held together with your choice of 2 silver book rings or black wire. All pages of the album are chipboard. This is 0.50 gauge chipboard which is about 1mm thick. The pages measure 8 1/2" wide x 5 1/2" high . Black chipboard is available upon request. If you would like your album to have only one style of page, your options are: A = 3 bracket edge B = Scalloped edge C = File Folder Tab D = 1 bracket edge The mix & match style album consists of a 3 bracket style page, file folder tab style with tab on top of page, bracket on one edge of page, file folder tab with tab on bottom of page, scalloped edge, 3 bracket edge page. Chipboard is a type of paperboard/cardboard made from reclaimed paper stock. It's the cardboard you would find at the back of a legal pad or notebook. It may include small inclusions, spots or freckles here and there. This is not a wood product.