Personalized Unicycle Mobile Device Newborn Layette. Unicycle, hands free mobile device text with an image of a unicycle is a humorous cycling 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