Personalized Straightening Up Newborn Layette. Orthodontist, straightening up, one tooth at a time text with a row of teeth is a humorous dental design for birthdays and holidays. 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