The top grade T304 Stainless Steel, 1mm Thick, 8K steam polish front and back, come with matching screw cap in metal not plastic and silicone back guard; Size: 12.25 x 6.5 x 1/8 inch, inside area 11″ x 4.5″ fit all USA standard license plate frame, if your register sticker is on the bottom of the frame this may block your stickerso it can be only to use on the front; The color is poduced by an electrochemical process that creates a thin layer of chrome oxide on the stainless steel which it will not peel off; if you would like to customize your own word on the bottom of the frame please contact us so we can send you the link for the customize listing