Personalized Dark Steel Pattern Newborn Layette. A pattern of steel I-beams, channels, angles and nuts and bolts is a unique gift design for construction workers, structural and civil engineers and steel detailers and drafters at birthdays, holidays and graduation. 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