The U.S. Postal Service handles more than 207 billion pieces of mail each month. That's 207 billion opportunities for identity thieves to obtain information that can be used to steal your identity. Gray Door is a Residential Mailbox Locking Insert that's installed into your existing standard size mailbox. The unit locks automatically with a slight push after the Mail Carrier deposits your mail, installation required. As seen on NBC and the CBS news and numerous newspapers . As a result Law Enforcement and Crime Prevention Police Officers in North Texas are finding this system to be a helpful device in deterring mail & Identity theft.