I'm arresting you for a salt! You'll never catch us alive copper! This hilarious periodic table pun t shirt is perfect for any chemistry student, professor, teacher, or science major with a dry sense of humor. Perfect science dad joke! If you love spending time in the lab and making people laugh this is for you! Lame old person jokes, super corny puns, and parental humor abounds! Have fun with the sciences and this periodically hilarious t shirt! The sarcasm is strong with this one! Lightweight, Classic fit, Double-needle sleeve and bottom hem