Personalized Nursing Rocks Newborn Layette. Nursing Rocks text with three dancing rocks holding hypodermic needles and stethoscope is a funny design for nurses and students at birthdays, back to school, 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