This Reflective Mailbox Address Decal is 4” high x 10” wide. - The Address Number is 2" high - The Street Name is 1" high. - 20 CHARACTER LIMIT **Please include the numbers and street name in the Personalization Box ** 20 CHARACTER LIMIT ** The Mailbox Address Decal is a custom made with your street name and house number, making it easy for mail carriers and visitors to find your address. The decal measures 4 inches in height by 10 inches in width (20 CHARACTER LIMIT), making it large enough to be easily read from a distance. It's a perfect way to make your mailbox stand out and make sure your address is visible to everyone. This Mailbox Address Decal is cut from Genuine 3M, Automotive Grade, Retro Reflective Safety Vinyl. This is the same reflective decal material used on police cars and fire trucks. They look like regular decals in the daylight, but at night they glow under flashlights and headlights.