Personalized Skull and Crossbones Polar Bear Newborn Layette. Polar Bear skull and crossbones Newborn Layette - Light Blue has funny smiling bear face with bones. 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