Tessera Baby Memory books have 42 pages (36 prompted and 6 blank) made of acid free, archival quality 95 pound paper which capture all the information for baby’s first three years. The book cover is a soft, yet durable book cloth. The Memory Books are bound using screw posts which can be taken apart, allowing you remove pages you don’t want and to add pages from the Tessera line of Insert Packs. Customize your book by adding one or more of Tessera’s Baby Insert Packs which include 12 additional pages which can fit virtually any family.