Personalized Funny Chemistry Science Joke for Chemistry Lovers T-Shirt. This "You're A 10 On PH Scale" design is for chemistry lovers who appreciate the perfect balance of science and humor. It's the ultimate way to tell someone they're "basic" in the best way possible! A must-have for anyone who loves to crack science jokes and wants to show their love for chemistry in a fun, lighthearted way. 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.