Flat surfaces work best on the mail box if a material other than metal is used. Please measure correctly and only put in the designated area on rubber/plastic like mailboxes. The surface outside of that can some times be porous and can lead to premature adhesive failure.THE DECAL: These sizes may vary based on the information provided by you. The Length of the name could or address will be worked to fit in the dimensions and if they end up being different we will contact you and let you know. If you need an exact Size please contact us with the dimensions you want. Most of the time we can make it in the exact size you need. Please contact us with any other questions.You can place it on whatever you like whether its Mailboxes , signs, or something else if needed. If you have a question about the surface send us a message prior to purchase. You are receiving 2 decals. Custom Numbers approximate Length will vary based on the amount of characters in the text.. The Height maximum is what you select during checkout. That is for each line of characters. There is no background included. Our Decals are die cut from premium vinyl and will firmly adhere to any smooth, mostly flat surface such as your vehicle surface. Colors: We offer many different color choices for your vinyl decal. This decal is offered in many different colors so choose your color choice in the drop down Our most popular colors available: Black, White, Matte Black, Matte White, Grey, and others if needed. Keep in Mind that depending on your monitor and computer setting the colors you see below may not exactly match the color of the vinyl. If you have questions or you need to match a color please message us. We will be happy to help. If you want an example of what the colors look like just ask and we message you a color photo. Custom sizes and colors: If you need a custom size or color please contact us for more information prior to purchase.Shipping:All decals are made to order. Your decal will be produced in the order that it is received and paid for. Orders normally ship within 2 business days from the time we start processing your order. Holiday’s and long weekends can cause us to have an unusually high number of orders to process on Monday and can slow down the process. Holidays can slow down shipping companies. We are a family run business who believes that GREAT Customer Service is our #1 most important product. We will do everything in our power to get your decal shipped out to you as quickly as possible. If you have a special event or need your decal to arrive certain we encourage you to use one of our expedited shipping services available at checkout.Will you receive a tracking number?Tracking Numbers are not provided with all orders unless you purchase shipping. What to do if you don’t receive your item or your item arrives damaged/incorrect?You can expect your item to arrive 3-10 business days from the time you order. If you are concerned about your item please do not hesitate to contact us through eBay’s messaging system. If your item arrives later than expected or if it arrives damaged, please give us the opportunity to resolve any problems. We will work hard to resolve any issues as fast as we can. If there is damage please send a picture prior to applying. We cant replace the decal due to installation issues. Please Follow installation instructions!We can cut this decal in virtually any size or any color you like. Vinyl is now available in many shades including metallic colors and neon colors. If you would like a different size or a different color other than what is shown, please ask us before buying. Application:To apply to the surface of your choice: Decals are designs for mostly flat/hard surfaces. If you have questions about the surface you want to apply it to please contact us before purchase!(PEEL THE BACK OFF BEFORE YOU APPLY THE DECAL. The paper backing comes off leaving the letters on the clear «sticky» portion. Apply to the surface of your choice. Once applied use a credit card/squeegee or something of that nature to apply pressure to the decal to make sure it adheres best. Once done, PEEL AWAY THE TOP CLEAR PRE-MASK LEAVING JUST THE DECAL). Always make sure the surface is clean prior to applying to allow maximum adhesion!Do not clean surfaces with products containing ammonia such as windex. Try to use soap and water. A couple drops of Dawn Soap and water would be plenty. Then dry the surface completely prior to application.