Durable Material: House numbers are made of sturdy zinc alloy, with flat black finish, durable and not easy to wear, waterproof and rustproof, designed for indoor and outdoor use. Dual Effect Design: This house number for outside can be installed with spacers to create a more stereoscopic floating effect, casting subtle shadow on the wall. Aslo you can choose flush mount without spacers. Clear Reading: These modern house numbers feature modern and simple font, 6 inch larger size, providing you more clear and easy reading experience. Easy Installation: Equipped with all accessories you need, template&instruction, screws, anchors, spacers. You can achieve 5-minute fast installation with these address numbers for houses. Wide Application: 6 inch black house numbers are widely applicable for doors, houses, fences, elevators and any other sturdy surface. No worry about friends, home service, and couriers can't find your house. house number