This elevated toilet seat with removable, padded arms instantly adds 5 1/2" to the height of your toilet, making it easier to get up and down. A simple, front-locking mechanism holds the seat in place, no tools required. Heavy-duty ABS plastic, aluminum and polyfoam. Supports up to 250 lbs. Fits both standard and elongated toilets. 17"W x 17"L x 5 1/2"H. Width between arms is 19 1/4".