CUT FROM 1/8 THICK MARINE GRADE ALUMINUM. WELDED TO A 1/2 X 1/4 INCH THICK MOUNTING PLATE. POWDER COATED FINISH PRE-DRILLED FOR EASY MOUNTING TO YOUR MAILBOX "MAILBOX IN PICTURE IS NOT INCLUDED WITH THIS SALE". STAINLESS STEEL MOUNTING HARDWARE INCLUDED. PERSONALIZE YOUR TOPPER WITH EITHER YOUR NAME OR ADDRESS. YOUR PERSONALIZED ADDITION IS AUTOMOTIVE GRADE PERMANENT VINYL TO LOOK GREAT FOR MANY YEARS.