Personalized Dinosaur Astronaut 1st Newborn Layette. Dinosaur Astronaut is floating in space with a 1 balloon celebrating its 1st birthday. Cute birthday 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