Blueline Flags Tattered Thin Blue Line Vinyl Reflective Decal, Black, White & Blue American Flag Sticker Honoring Our Men & Women of Law Enforcement, 3M Veteran owned business. Thin blue line flag decal. Black and white enhance the 4.5 by 2.5 American flag sticker Beautiful-dark colors make the thin blue line really stand out They're awesome Show your support for our Leos and their families Reflective 3M vinyl, can be seen both day and night