DURABLE ALUMINUM. Package Delivery Signs are made from heavy-duty 40 mil thick aluminum. Unlike steel signs, our aluminum signs do not rust. Signs easily last up to 7 years outside. EASY INSTALLATION. Signs have four 3/16 inch corner holes. Mount with screws, nails, tie-wraps or wires. Signs can also be attached with foam or double-sided velcro tape. Sign attachment accessories are not included. LAMINATED PROTECTION. With lamination, graphics are protected from weather and abuse to preserve a fresh look. Graffiti can be cleaned off too. Clear UV laminate resists chemicals, UV rays, water, and abrasion. IDEAL FOR RESIDENTS. package delivery signs clearly mark drop-off points preventing carriers from leaving packages in inconvenient or hard-to-find locations, ensuring that residents can retrieve their deliveries easily. PACK CONTENTS. One 7 x 10 inch multicolor aluminum metal sign. SmartSign 'Stop Do Not Leave Packages Here' Sign with Delivery Partner Logos - 10" x 7", 40 mil Laminated Rust-free Aluminum - Metal Sign for Outdoors, Porch, Gated Entrances, Made in USA