Personalized Purple Dinosaur 1st Birthday Newborn Layette. LIL' ONE-OSAURUS 1st birthday Newborn Layette - White with cute purple cartoon dinosaur and big polka dotted number 1. 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