Personalized Owl 100 Days 1st Grade Infant Romper. Funny 100th Day of School Infant Romper - Raspberry for grade school teachers and students with 3 cute owls on a yellow ruler says 100th DAY OF 1st Grade. Celebrate being 100 days smarter. 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)