USA Project Mercury Space Stamp Vintage Top 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 Vintage retro distressed grunge aged style design graphic print Funny postage post office travel tourist souvenir tee Lightweight, Classic fit, Double-needle sleeve and bottom hem