Description: Made of high-quality aluminum alloy material waterproof corrosion and not easy to rust. It has a drainage outlet on the surface and the surface of the seat board features clear and skid texture also there are 12 drainage holes to avoid soak in the water all the time. It has handrails on both sides of the board easy to move. A card slot design on the seat board can be hung with a so it s convenient for use without stand up. for adjustment suitable for different heights of people. Thicken can bear the weight up to 300lbs more stable and reliable. Specification: Material: Aluminum alloy Color: White Weight Capacity: 300lbs Adjustable Gear: 6 Gears (Optional Size) Large: Seat Size: 510x310mm / 20.08x12.2in Seat Height( to Floor Height): 355-510mm / 13.98-20.08in Small: Seat Size: 480x320mm/18.86x12.58inch Seat Height( to Floor Height): 390-550mm/15.32x21.62inch Package Includes: 1x Bath Chair 1x Manual : Please allow 1-3 cm/ 0.39-1. difference due to manual measurement and 3-/ 0.007-0.01lb/ 0.11-0.18oz for the difference between different colors. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!