Letter Selection: The set contains silver letters A to F, each 7cm long and 1cm thick, allowing customization for indoor numbers or addresses (sold individually). Durable Material: Crafted from ABS plating plastic, these mailbox letters are eco-friendly and resilient, and feature a mirror-like finish achieved through electroplating, ensuring smoothness and resistance to fading and rust. Convenient Installation: The self-adhesive backing provides a strong bond, enabling easy attachment without the need for screws or drilling, making the process hassle-free. Versatile Usage: Suitable for application on any dry, clean surface, these letters can be used in various locations including garages, homes, gates, buildings, stores, farmhouses, gardens, and offices. Creative Personalization: Ideal for DIY numbering projects, these letters allow you to personalize any space according to your preferences.