Sarcasm Primary Elements of Humor Chemistry Joke Tee Shirt-RT

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester, Imported, Machine wash cold with like colors, dry low heat, Funny Chemistry Pun shirt featuring Sarcasm, the Primary Elements of Humor. Features four elements from the periodic table that make up humor!, Funny, ionic, ironic, periodic table shirt. Great for science teachers, chemistry teacher, professor, student, or science and chemistry majors! This tshirt would make a fun gift for anyone who loves science, chemistry, physics or biochemistry organic chem, Lightweight, Classic fit, Double-needle sleeve and bottom hem