Personalized Chemical Engineer Blue Drops Newborn Layette. Chemical Engineer Blue Drops Newborn Layette - Light Blue 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 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months