Funny Stamp Lover Shirt Addicted to Collecting Stamps TShirt 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 Love Stamp Tee Shirt Collecting Stamps Funny Graphic TShirt Lightweight, Classic fit, Double-needle sleeve and bottom hem