Personalized Happy 100 Days Of School Long Sleeve Creeper. Show off your school spirit with our Happy 100 Days Of School apparel. Whether you're wearing it in the classroom or out and about, this design is a fun and cheerful way to celebrate this educational milestone. Grab yours today and make every day at school a little bit brighter! 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.