Durable & Sturdy Material: The house numbers are made of solid aluminum alloy with oxidation plating, which is not easy to rust and corrode, and has a long service life. Even when installed outdoors, they are weatherproof and not prone to breaking or fading. Floating Design: Our address numbers are three-dimensional in design, with a strong 3D feel, creating a great shadow effect and enhancing visual impact. They are clearly identifiable even from a distance, making it easier for guests, drivers and postmen to find your home. The unique design creates a different and more beautiful look for your home. Easy to Install: Our outdoor large house numbers come with screws, expansion tubes, cylindrical tubes and positioning paper. Comes with installation step instructions to make it easy for you to install the house numbers. Can be installed on any exterior surface, such as wood boards, cement walls, farmhouse walls, etc. Wide Applications: Outside letters are perfect for DIY projects such as garage, door, gate, and store numbers, as well as mailbox and farmhouse identifiers. They are also widely used for residential address plaques, commercial signage, street and building identification, industrial equipment marking, the artistic decorations, and can even be personalized as unique souvenirs or gifts. Material: Aluminum Alloy Color: Black Surface Treatment: Oxidation Plating Height: 15cm/5.91inch Width: 9.75cm/3.84inch 1 x House Number 3 x 304 Stainless Steel Screws, 3 x Expansion Tubes, 3 x Cylindrical Tubes, 1 x Positioning Paper