These adorable super hero hat and diaper set is made of acrylic yarn. Choose either a batman or Captain America.The perfect photo prop for newborn's first photo day! Makes great baby shower gift! 0-3mos Hat: 15"-17" Diaper cover: 16 1/2"-20 1/2" (adjustable) Wash in cool water by hand and air dry. Made in a Smoke-free, Pet-Free, environment.