Laughing Gas T-shirt-T-Shirt

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, Science teacher jokes, Bad puns, Funny shirts, Helium Element Periodic Table. Ladies, try holding back your laughter at this chemistry pun. Hehehe. Black and white periodic table element Helium times 3 = “laughing gas” is a perfect joke for a geeky science, I am a firm lover of a good cheesy laugh. This shirt does just that! Helium (he) three times across the front form he, he, he as if someone was snickering/laughing. So helium being a gas, it equals ”laughing gas”. Lightweight, Classic fit, Double-needle sleeve and bottom hem