The elevated toilet seat with arms gives the user the elevation of a standard toilet seat but still allows them to use their own seat. Padded, removable arms make it more secure when getting on or off the commode. Available in standard and elongated sizes and include all hardware. User weight limit - 300 pounds Easy To Install Via Long Bolts And Wing Nuts Installs under your toilet seat giving you a 3.5" rise: Don't forsake the comfort of your own toilet seat, use the easy to install Elevated Toilet Seat with Arms. It can safely be installed under your seat for your comfort and support. Arms make it easier to get on and off: The heavy duty arms will help you push off the toilet from a seated position, lower down easily and have something to lean on when seated. Wipes down easily: Don't worry about lingering stains as the plastic molded rail can be wiped down with any standard household clear. Hardware and instructions included for a secure fit: The riser comes with the added long screws that allow you to easily install the riser and your existing seat over it. Fits an Elongated bowl: The toilet riser is 19.5 inch long and 14 inch wide which will fit any standard elongated toilet bowl. Please make sure to measure your bowl to choose the right fit for you. B00CW811LK