Invader Zim GIR Taco Pose Seatbelt Buckle Keychain This nifty keychain is equipped with an authentic SeatBelt Buckle clasp. You can anchor it to a belt loop or bag with a metal clasp on the back and conveniently detach your keys by pressing the center button. This keychain measures 3.0 x 2.0 x 1.0 inches, and is made from chrome-plated steel components. SeatBelt Keychain with functional SeatBelt release mechanism! This patented (D542, 523) keychain is made by Buckle-Down and is officially licensed by Nickelodeon. Item cannot be shipped to P.O. Boxes