This is the Self-Propelled, Large sized horseshoe seat of the Chiltern Shower Commode Chair.Soft and comfortable, the removable seat is waterproof and treated with an antimicrobial agent that affords excellent protection against fungal growth and infection. The frame sits on lockable castors and it is made from non-corroding stainless steel. It holds two swing-out armrests that lock in place when needed and two height adjustable footplates for added stability. This option has the large seat, which measures 482mm across and has a 210mm aperture. A medium seat and attendant-propelled versions are also available.