The 17 x 11" Start Premium Post Bound Book from Prat is a refillable presentation and storage binder for photos, digital prints, and documents. The book's screw post design makes it easy to inserting, removing and rearranging pages. The binder lays completely flat when opened for easy adding, removing, and rearranging. The sheet protectors themselves are archival-quality 100% clear plastic and are guaranteed to be acid-free so your prints will last for many years without deterioration.