Personalized 1st Birthday Unicorn Kitty Long Sleeve Creeper. Adorable rainbow unicorn kitty celebrates your baby's 1st birthday. I'm One! Cute first birthday gift for your one year old. 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.