Personalized 3rd Birthday Police Car Policeman Party Long Sleeve Creeper. Cute 3 year old birthday Long Sleeve Creeper - Natural with colorful police car and I'm three 3rd birthday slogan for a future police officer. 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.