Personalized Chemical Engineer Blue Drops T-Shirt. Chemical Engineer Blue Drops T-Shirt - White 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 Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.