The adorable Alvin the Elephant Soft Rattle from the book, "A Day at the Park with Meiya & Alvin" has an all natural cotton body. Alvin the Rattle toy combines the developmental benefits and stimulation of sound toys. He has a friendly natural rubber character head that is sustainably harvested from the Hevea tree and is ideal for teething. Sound toys, like rattles, provide stimulation to babies as they discover their senses. Alvin is the winner of the Dr. Toy Best Green Award for 2015.