I Love Sharks - St Patrick's Day (white) 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 I Love Sharks - St Patrick's Day Shirt, I Love Sharks - St Patrick's Day TShirt, I Love Sharks - St Patrick's Day T Shirt St Patrick's Day Shirt, St Patrick's Day TShirt, St Patrick's Day T Shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem