Personalized Cordelia and Birds Believe in Yourself Long Sleeve Creeper. If you believe in yourself, you can achieve whatever you set your mind to. Cordelia and Birds Believe in Yourself Long Sleeve Creeper - Mauve, from the children's book "Cordelia" by Michelle Nelson-Schmidt. 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.