Unique Shadow EffectThe numbers have a floating design that raises the numbers from their surface, creates a shadow in sunlight or light, allowing you to see them from the street. | Stainless Steel ScrewsThe screw is made of 304 stainless steel, very sturdy, not easy to break, and will not rust. | RustproofThe house numbers ,made of zinc alloy with a weather-resistant black finish is used for waterproof and rust-proof, durable and suitable for a long time outside use., |