DURABLE ALUMINUM: 'Emergency Eye Wash Station' signs are made using 63 mil thick non-reflective aluminum and do not bend easily. They have been proven to outlast the toughest of storms. Signs last over 10 years outside..EASY INSTALLATION: All signs come with 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..LAMINATED FOR 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..3M QUALITY: Printed with 3M screen printing or 3M outdoor digital inks designed specifically for outdoor traffic and property signs - providing ultimate quality and assurance..PACK CONTENTS: One 12 x 18 inch black, green and white aluminum sign.