My favorite people call me 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 Show your love for your grandchildren with this unique design. Makes a great gift for a special grandma in your life. Lightweight, Classic fit, Double-needle sleeve and bottom hem