Personalized Got Chemistry Long Sleeve Creeper. Long Sleeve Creeper - Pink with "I've got chemistry" in rough text is a humorous academic subject design with a double meaning. Fun gift to your charming chemist, teacher or student at back to school, birthdays, holidays and graduation. For chillier weather, dress baby in this soft long sleeve creeper in a great fitting 1x1 baby rib. 5.0 oz., 100% combed ringspun cotton, 1x1 baby rib. White is sewn with 100% cotton thread, Flatlock seams, Double-needle stitched rib binding on neck, shoulders, sleeves and leg openings,Reinforced three-snap closure on binding.