Only The Best Moms Get Promoted To Grandma 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 Check out all of our Mom and Grandma Shirts. Only The Best Moms Get Promoted To Grandma Shirt Our Tees are the perfect gift for someones Birthdays, Family gifts, Christmas presents, or any Special Day. Lightweight, Classic fit, Double-needle sleeve and bottom hem