DANGER HIGH VOLTAGE Old Rusted Danger Sign 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 Danger Sign T shirt. We offer a wide varity of old vintage rusted street real signs in a t-shirt unique design. Lightweight, Classic fit, Double-needle sleeve and bottom hem