lockable elevator permit frame 8.5x11 stainless steel. inside dimension 8.5x11 inch. heavy duty frame can be install horizontal or vertical. durable: stainless steel / steel makes the product durable and heavy duty !!!. 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 product also use as elevator picture frame, elevator permit frame, elevator notice frame, elevator certificate frame, commercial frame 8.5x11, elevator advertisement frame and anti vandalism frame . ideal for school, airports, hotels and heavy traffic locations