My Plan Has Been Foiled Funny Math Pun T-Shirt-TH

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, A math themed t shirt featuring a pie with a math formula perfect for the Pi day event. Perfect gift for geeks, math nerd, engineer students, highschool college students teacher and lover math. mathematician, math teacher students graduate students, Lightweight, Classic fit, Double-needle sleeve and bottom hem