Bold Gold Reflective Mailbox or House Number - 1 - Size 3" - (select size (2",3",4",5" or 6") and digit (0-9) in dropdown menus) - Thick, Die-cut PVC Stick to brick, stucco, wood and more Heavy Duty Adhesive, No nails or screws to rust 1/16" or 1/8" White (most reflective), Gold or Black (least reflective) Reflective Material Slightly Flexible, Thick, Reflective PVC (not rigid plastic) Don't Crack In Extreme Weather Like Rigid Plastic Can