Personalized Bicycle Rocks Text Newborn Layette. An image of a bike with the word rocks spelled out by happy rock critters is a funny gift design for bikers at 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