Personalized I'm Going to be a the Big Sister Long Sleeve Creeper. Check out our adorable Big Sister Elephant design apparel and gifts! Perfect for the older sister, this collection features cute pink elephant designs and phrases like "big sis" and "sister to be." Whether you're looking for a baby shower gift, a present for a new sibling, or just want to celebrate being the big sister, we've got you covered. 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.