Made with high performance grade vinyl, waterproof, weatherproof, and UV resistant decal This letter decal is die-cut, has an outdoor durability and great for indoor and outdoor use Can be applied to hard, dry, smooth and clean surface Comes with a paper backing, as well as an application tape on the front You just need to peel off the paper backing, leaving the letter with the application tape on the surface you want to stick, then use the scraper to rub the letter at the right position Carefully remove the tape, then you can get the letter in place Designed to reflect at night when light hits it The reflective feature greatly increases the chance of your decal to be spotted Clearly mark your address on your mailbox or outside the house, make them easy to be distinguished from others Your house can be easily found by friends or on some emergency occasions, easily guide your guests to your house, and bring convenience to the food or online shopping deliveries