Wholesale Distributor by Rothco Security Patch With Hook Back is great for attaching to a variety of law enforcement gear, including police vests and tactical operator caps. Featuring a black background and white “Security” lettering, the police patch is made of a high-quality construction for long-lasting durability. The Security vest patch is available in small (2 ½” X 5 ¾”) and large (4” X 10 ¾”).