"No Loitering, Littering, Drinking Alcohol" Sign By SmartSign | 18" x 18" Aluminum DURABLE ALUMINUM. Signs are made using 80 mil thick aluminum and do not bend easily. They outlast plastic signs, which can be torn off more easily. Signs last up to 10 years outside. LAMINATED. Graphics are protected from weather and abuse. Graffiti can be cleaned off. Laminated signs outlast competitive unlaminated or overcoated signs. ROUNDED CORNERS. Signs have rounded corners and burr-free corners for safe handling, longer life and a professional appearance. EASY TO INSTALL. Signs have pre-punched and pre-cleared mounting holes for easy installation. Signs mount to U-channel posts, square or round galvanized posts, wooden posts and chain link fences. GIVE A HEADS UP. Convey your No Loitering, Littering, Drinking Alcohol warning with this sign - before you have to intercede personally.