You A 10 Maybe In The PH Scale Science Teacher Gift T-Shirt 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 This Science Teacher t-shirt is maybe for a friend, mom, dad, wife, husband, girlfriend or boyfriend. Great gift for Christmas, Birthdays, Valentine's Day, Father's Day, Mother's Day, Anniversaries, Weddings, Graduation or ANY occasion! You deserve to have this awesome science tee shirt featuring a ph scale that is a perfect gift idea for any science teacher, scientist, nerd, geek, chemist, inventor, chemist, hydrologist and biochemist. Lightweight, Classic fit, Double-needle sleeve and bottom hem