The main body size is approximately 62cm wide x 91cm high x 3.5cm thick. The installable width is 67-91cm for the main body only (69-93cm on stairs). The materials are polyethylene, steel, and ABS resin. The condition is good. The item will be packaged with bubble wrap and stretch film. This is a used item, stored at home. Please purchase only if you understand this. Those who are concerned about details should refrain from purchasing. Please feel free to comment if you have any questions, requests for price reduction, or if you would like to see additional photos. I have many other items for sale, so please take a look if you'd like. ^ ^