Radioactive Fallout Warning Sign T Shirt Tee 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 nuclear, radioactivity, Hazard, warning, Sign Perfect gift, trending t-shirt, trending, trend, trend of the year, awesome gift, nice shirt, nice gift, proud to be, love to be, best seller, top selling, great design, great gift for, for kids, for women, for man. Order a size up for a looser fit. Lightweight, Classic fit, Double-needle sleeve and bottom hem