The House number signs are laser cut from 2 layers of 3mm Weather proof, UV resistant acrylic. They are supplied with your choice of double sided tape or invisible wall mounts so they are easy to install. IF USING DOUBLE SIDED TAPE, PLEASE USE ADDITIONAL ADHESIVE, SUCH AS LIQUID NAILS, FOR ROUGH OR POROUS SURFACES. Your sign will be exactly as shown in picture but with your address and chosen colours. We will send you a proof of your sign to your Etsy messages for you to approve before manufacture. Sign in main pic is white/gold mirror. Please visit our store for more designs or contact me for a custom design. :)