Retired Teachers Make the Best Grandmas 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 Retired teacher t-shirt, teacher gift, nana gift, grandma gift I love my grandma shirt, I love teaching shirt, teaching shirt, teacher shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem