Personalized I'm Going to be a the Big Sister Long Sleeve Creeper. Celebrate the arrival of a new sister with our charming elephant-themed apparel and gifts. From baby sprinkle ideas to sibling brother or sister gifts, our collection has everything you need to make the big sister feel special and loved. 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.