Personalized Chemistry Cooking T-Shirt. Chemistry is like cooking - just don't lick the spoon! Funny t-shirt or gift for your favorite chemist, cook, or both! If you're a gourmet in the lab or a scientist in the kitchen, this is for you! Everyone loves our Custom T-Shirts! 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.