Comfortable in the bathtub, it neither floats nor slips. This is an anti-mold product. Used for a short period, there are no noticeable scratches or scuffs, but some discoloration on the rubber parts. Height adjustment is easy. Seat: 30x23cm Height: Maximum 26cm, adjustable in 1.5cm increments (5 steps). Weight: 2kg Seat has drainage holes. Originally purchased for 12,000 yen.