Square Root of 169-13th birthday T-Shirt Gift For Math Lover-FL

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, This Tee is perfect math lovers t shirt, funny math lovers t shirt, gift for math teacher, gift for math pupil. Wear at 13th birthday party. Perfect gift for halloween day, christmas day, family holiday or funny pupil, Looks like you like to buy this shirt, this shirt will be a birthday present for your father, mother, son, daughter or brother,friend, dad, mom, wife, husband, brother, sister, son, daughter girlfriend or boyfriend, Lightweight, Classic fit, Double-needle sleeve and bottom hem