Personalized 1st Birthday Rawr Dinosaur Newborn Layette. Rawr! I'm One! A cute dinosaur holding a birthday present and wearing a party hat shouts out its age. Cute gift for your one year old. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months