Personalized I'm Going To Be a Big Cousin Elephant Long Sleeve Creeper. Our "Big Cousin to Be" line includes everything from newborn baby outfits to matching cousin shirts for boys. With a neutral black and white color scheme, these items are perfect for any gender. Let your little cousin crew stand out with our funny "Big Cousin Est." designs that are both adorable and stylish. Your little one may be little now, but they're about to be a big cousin in the coolest way possible! 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.