New Jersey Police & Law Enforcement Thin Blue Line 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 This police shirt makes a great police graduation gift. Also makes a great deputy sheriff shirt or New Jersey state trooper gift. Lightweight, Classic fit, Double-needle sleeve and bottom hem