Science Teacher If at first you don't succeed Funny Gifts Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Funny Science Teacher Gifts for women and men Science Teacher Tshirts for back to school gifts appreciation tee Lightweight, Classic fit, Double-needle sleeve and bottom hem