Personalized Three Tennis Rocks Infant Romper. Tennis rocks text with three dancing rocks holding tennis rackets is a funny design for athletes, tennis students and teachers at back to school, birthdays and holidays. Meet your new favorite outfit! Keep dressing simple with this one piece, lap shoulder t-romper. Super soft and perfect for baby's sensitive skin. 5.5 oz. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40; Heather is 90/10 combed ringspun cotton/polyester)