HIGH QUALITY AND DURABLE: Our number signs are made of high-Quality aluminum which make it waterproof and give lifetime durability to use. SUITABLE SIZE FOR DISPLAY: The metal sign measures approx. 30 cm/ 12 inches in length, 20 cm/ 8 inches in height EASY INSTALLATION: Each sign comes with pre-drilled holes so you can install them in no time.Just nail, stick down with command strips, or hang with rope (installation tools not included). Our signs come ready to hang. VERSATILE AND MULTI-PURPOSE: The signs are suitable for use in a variety of outdoor settings, including parking lots, floor, dock, court, aisle, field HIGH VISIBILITY: The striking blue background with contrasting numbers ensures effortless and accurate location recognition. It is easily visible from a distance, helping drivers find their designated parking spot quickly and easily. Our Number Sign is made of sturdy aluminum,lightweight,durable.With four pre-drilled holes in the rounded corners for easy hanging or mounted on every surface .It is lightweight and can be attached to the back with nails and cable ties or double-sided foam tape, ideal for roads, parking lots, municipalities, businesses, curbside services and restaurants and so on.