Quality Material: The metal numbers and letters are made of sound metal material, solid and durable. Weather-Resistant Coating: The surface is evenly coated with black weather-resistant coating, which is rust-resistant and easy to clean, can be used for a long time. Multiple Choices: We not only have 3 inches 4 inches 5 inches 6 inches 4 sizes to choose from, but also 26 letters and 10 numbers for you to match. Wide Application: The smaller size of the numerical letter door signs are suitable for mailbox numbers, door numbers, greetings for entering the house, indoor wall decorations and so on. Larger sizes for outdoor garden, garage, park house address numbers. Easy Installation: We provide free nails for each product, you can easily install it on your desired wall. All of our metal letters and house numbers are made of sound metal material, which is strong and stable, with black matte lacquer coating sprayed on the surface, which not only provides rust resistance but also makes cleaning easy. Suitable for both indoor and outdoor, and can be used for a long time. While taking into account the durability of use, we also add the diversity of choice, we not only have 3“ 4” 5“ 6” four sizes for you to choose, there are also 26 letters and 10 numbers for you to match, no matter whether you want to combine them DIY and design your own personalized garden, countryside, house address number, or simple mailbox number and door number, or a concise and clear office number, it's all possible. The smaller sizes are recommended for door or office numbers, as the small size will not spoil your original décor, but even harmonize with it, while the larger sizes are recommended for gardens, farms, garages, mailboxes, etc. The large and eye-catching numbers will not only make it easier for your guests and dispatchers to find your location, but also add a modern and stylish touch to your house. When you purchase you will find that we include screws with each product, so you don't need to buy additional screws, the installation is also very simple, just place the product on the wall where you want it to be and screw the screws on directly.