Mississippi 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 Makes a great gift for Police and Law Enforcement supporters. Wear your MS Police and Law Enforcement pride and show your support for Mississippi Officers Lightweight, Classic fit, Double-needle sleeve and bottom hem