"Beware of Dog" Sign by SmartSign DURABLE ALUMINUM. Signs are made from heavy-duty, 40 mil thick aluminum. Unlike steel signs, our aluminum signs do not rust. Signs last over 7 years outside. ROUNDED CORNERS. Signs have rounded corners and burr-free corners for safe handling, longer life and a professional appearance. LAMINATED. To achieve maximum durability, sign graphics are protected with a laminate. This provides enhanced weather and graffiti resistance. GIVE A HEADS UP. Convey your Beware of Dog warning with this sign - before you have to intercede personally. EASY TO INSTALL. Signs have four 3/16" od 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. 100% rustproof aluminum Laminated for superior outdoor durability, chemical, abrasion and UV-resistance Signs can be mounted with screws or nails 10+ years of outdoor life 23&#034; Fence Bracket Attachment Hardware Kit for 24&#034; signs 17&#034; Fence Bracket Attachment Hardware Kit for 18&#034; signs Chain-link Fence Clips for signs 5&#034; to 72&#034; wide