Personalized My Mom is the Worlds Best Assistant Manager Long Sleeve Creeper. This My Mommy is the Worlds Best Assistant manager Long Sleeve Creeper - White has worlds best design for kids with my mommy is the worlds best assistant manager occupation slogan for the son or daughter who’s mom is a Assistant manager. 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.