Personalized Kitty Trick or Treat Infant Romper. Halloween Infant Romper - White with a cute purple kitty cat with green button eyes inside an orange trick-or-treat bag that says TRICK OR TREAT and funny purple spiders. 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)