Sassy Babys First Book set has 4 fun and fascinating books for adults and newborns alike. The first 3 are plastic books with bold pictures, photo pockets and peek-a-boo flaps. The fourth book, made of cloth, has teethers and activities for the baby to have fun with. These baby activity books are an excellent teaching aid for moms to introduce their newborns to learning via pictures and photos. Wipe clean with a damp cloth.