Personalized Chemical Engineer Blue Drops Long Sleeve Creeper. Chemical Engineer Blue Drops Long Sleeve Creeper - Heather are a unique way to strut your smarts in style, with the words "Chemical Engineer" atop icy droplets in overlapping shades of blue. This design would make a great gift for a chemical engineer 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.