Mens #1 Pop Pop, Grandpa 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 Grandpa gift t-shirt with Number One (#1) Pop Pop sports style graphic Graphic tee shirt in mens, ladies, and kids sizes Lightweight, Classic fit, Double-needle sleeve and bottom hem