Pink Ribbon Mailbox Makover Cover - Vinyl with Magnetic Strips Vinyl Fits Standard Rural USPS Box 18 inch x 21 Inch - 6 Inch Wide Door Magnetic Strips hold tight to Box Made in USA Optional companion pieces are available to coordinate your display. Authentic Authorized First Run quality excellence is ensured by a sealed package with Custom Decor Header Card delivered to you. Be wary of missing header cards, these are most likely knockoffs or factory seconds/blemishes and discards.