DURABLE CONSTRUCTION: 80 mil (2mm) thick Private Property signs are built from tough ACM (Aluminum Composite Material) with a thick aluminum outer layer and a durable plastic core. These metal signs outlast plastic and corrugated signs by several years outdoors. EASY INSTALLATION: All signs come with 2 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. ROUNDED CORNERS: Our signs have rounded corners and burr-free corners for safe handling, longer life and a professional appearance. MADE IN USA: All signs and their components are manufactured in the USA, offering superior construction quality and durability. PACK CONTENTS: Pack includes two 18 x 12 inch signs. SmartSign Private Property No Parking/Dumping/Trespassing Offenders Prosecuted Sign (2-Pack), 12 x 18 inch, 80 mil thick Aluminum Composite (ACM), Pre-Drilled Holes, Red, Black and White