Photoluminescent sign – final exit, man left/arrow left down – green – with adhesive this 8″w x 14″h yellowish/green photoluminescent sign is made of sturdy aluminum for long lasting durability and dependability. Photoluminescent coating absorbs and stores energy from ambient lighting, making sign immediately visible in case of black-out or underneath smoke. Ideal for all surfaces, including rough surfaces and brick walls. Easy to install. Simply remove blue adhesive protector and firmly press-apply sign to clean, dust-free, dry wall surface. Nyc mea listed by new york city department of buildings. Uv-resistance rated.