Personalized Happy 100 Days Of School Long Sleeve Creeper. This Happy 100 Days Of School design apparel is a great way to commemorate a memorable milestone in your child's academic journey. Whether as a gift or for your own child, this cute and happy design will capture the excitement and achievement of reaching the 100-day mark. Get yours today and make the 100th day of school even more special! 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.