ZING 2772 Eco Security Window Decal, 24 Hr Video Surveillance, 4Hx4W, Recycled Polystyrene, 2/Pk Supports facility security by communicating critical safety precautions to employees, customers and visitors Window decals are designed with face-adhesive and can be applied to the inside of windows for clear visibility Made from durable recycled polystyrene face-adhesive with UV resistant inks Supports sustainability initiatives and Leadership in Energy and Environmental Design (LEED) credits Made in the USA