The adorable Alvin the Elephant Squeaker from the book, "A Day at the Park with Meiya & Alvin" has an all natural cotton body. Alvin the squeaker toy combines the developmental benefit and stimulation of sound toys with a friendly natural rubber character head, sustainably harvested from the Hevea tree, that is ideal for teething . Alvin is in a form that is easy to grip for little hands. Sound Toys, like squeakers, provide stimulation to babies as they discover their senses. Alvin is the winner of the Dr. Toy Best Green Award for 2015.