Specification Brand : MACNITO BulletPoint1 : STOP!!! ONLY ONE SIDE, NOT TWO-SIDED. Size: 4”x18” (ONLY ONE SIDE), made in US. Excellent gift for your parents, neighbors, or friends. BulletPoint2 : This is a 911 reflective sign, very highly visible in the daytime and nighttime, same as used by the D.O.T. on interstate and roadway signs. It makes emergency response, delivery drivers and others to find your address quickly. BulletPoint3 : SINGLE SIDE signs are designed to be installed to mailbox posts, porch posts or attached to the side of houses, entrance, businesses or trees. This is a custom sign, NO RETURN OR EXCHANGE. BulletPoint4 : It uses 3M Engineering Grade Prismatic Reflective sheet and reflects 10 times more light than regular reflective signs. Rounded corner, pre-drilled holes for easy & secure installation. BulletPoint5 : The default setting: Background Color: BLUE (you can choose any color), Layout: Vertical - MOUTING HOLES at the LEFT side, street numbers at right side (can be horizontal, mounting holes at the top). Please specify any difference from the above defaults when placing your order. ItemName : Custom 911 Reflective Address Sign (ONLY ONE SIDE) - very highly visible in the daytime and nighttime. Excellent for Emergency Response, Delivery Service, 4”x18” .04” Aluminum Engineering Grade(EGP) ItemPackageQuantity : 1 ItemTypeKeyword : industrial-warning-signs Manufacturer : MacNito Material : Aluminum PartNumber : mn-0071901-1 Size : 4"x18"(Engineering Grade Reflective)