Lockable Elevator Permit frame 8.5x11 BLACK. inside dimension 8.5x11 Inch. Heavy duty frame can be install horizontal or vertical. DURABLE: aluminum profile makes the product durable yet light to carry easily. An excellent way to get attention when you want to display pictures, photos, posters, documents or certificates, marketing advertisements, promotions, important messages in your commercial building.Lockable FRAME TO AVOID GUEST taking the notice out of the frame. The last profile is held in place with a screw on top that can be opened with its key. The product also use as Elevator picture frame, elevator permit frame, elevator notice frame, elevator certificate frame, commercial frame 8.5x11 .