Personalized Physics Oval Newborn Layette. Physics text in a in an oval of warm colors is a fun science design for physicists, teachers and students at back to school, graduation, birthdays and holiday 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