This is a Western-style toilet seat from Aron Kasei. By placing this Western-style toilet seat over a traditional Japanese-style toilet, you can convert it into a Western-style toilet. How about it for those who have concerns about their knees or lower back and find it difficult to use Japanese-style toilets? Aron Kasei Sanitary Ace ON, dual-style Ivory Model number: 533301 Dimensions: Width 40cm x Depth 60cm x Height 20cm (Height to the seat: 13cm) Weight: Approximately 2kg Instruction manual included. An O-shaped toilet seat cover is attached. Photos of the box and instruction manual are included. Please confirm that it is for a Japanese-style toilet with a step and that the shape of your toilet is compatible. I purchased this a few years ago for a relative who found the construction of a Western-style toilet troublesome. However, I didn't check carefully before purchasing, and the Japanese-style toilet I intended to install it on was not compatible, so it has been stored unused. Although there are some scratches on the lid, etc., due to attaching the included toilet seat cover, it is unused. The attached toilet seat cover has been removed. Another O-shaped toilet seat cover that I had purchased as a spare is attached. Thank you for your understanding.