Newcastle Classics has partnered with P.D. Eastman to bring to life the timeless 1960 children’s book Are You My Mother? The Newcastle Teether is made from our popular 100% Bamboo mini blankies, with a removable beach wood ring for easy cleaning. Wood has natural antibacterial and antimicrobial properties, making wood a superior teether choice. Our teether and blankie combo provides little ones gum relief along with a soothing square to snuggle.