Pythagorean Theorem Day T-ShirtMachine wash cold with like colors, dry low heat Pythagorean Theorem 21st Century, I was there 08 15 17, funny math for man, funny math for students Fun Holiday t shirt, Pythagorean Theorem Day, Pythagorean theorem, Pythagorean theorem shirt Lightweight, Classic fit, Double needle sleeve and bottom hem We use high quality and Eco friendly material and Inks! We promise that our Prints will not Fade, Crack or Peel in the wash. The Ink will last As Long