Personalized Helping? That's my favorite and very best skill!- Mouse Long Sleeve Creeper. Great helpers come in all shapes and sizes. Helping? That's my favorite and very best skill!- Mouse Long Sleeve Creeper - Heather, perfect for fans of "Dog and Mouse" 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.