The Norwood Commercial Furniture Double-Sided Recycled Plastic Outdoor Message Board resists warping, fading and vandalism, so it's virtually maintenance-free. Plus, it's made from 100 percent recycled materials, making it an environmentally-friendly addition to your facility. Keep information updated on the marine-grade corkboard; it's protected by a shatter-proof plastic overlay. Locking mechanisms are treated to prevent degradation from the elements.