This is a set of three items: an extension circle, a roof, and connecting parts for an Iris Ohyama combination circle. I purchased these in March of this year, but I no longer have a use for them, so they have been stored in a closet. The usage period was short, but these are used items, so please purchase only if you understand this. *I use the company's cat cage, and even new ones may have paint peeling. This product may also have peeling, so please understand this before purchasing. ---Extension Circle--- ●P-CS-470V ●Product size (cm) Width approx. 47 x Depth approx. 65 x Height approx. 65 ●Tray inner dimensions (cm) Width approx. 36 x Depth approx. 50 ●Entrance inner dimensions (cm) Width approx. 36 x Depth approx. 49 ●Material Wire: Steel (epoxy resin coating) Tray, buckle, joint: Polypropylene Door lock: ABS resin Caster: Polypropylene, steel (zinc plating) Caster receiver: Polyethylene ●Target Small dogs, cats ---Combination Circle Roof--- ●P-CS-470YV ●Product size (cm) Width approx. 44 x Depth approx. 61 ●Material Wire: Steel (epoxy resin coating) Roof joint: Polypropylene ●Target Small dogs, cats Combination circle P-CS-470V/1400V exclusive ---Left and right connection set (connecting parts)--- ●P-CS series exclusive ●Product size (cm) Width approx. 59 x Depth approx. 57 ●Opening (cm) Width approx. 36 x Depth approx. 46 ●Material Wire: Steel (epoxy resin coating) Connecting parts: Polypropylene ●Target Small dogs, cats Combination circle P-CS series exclusive