Adds 5 to height of toilet seat for individuals who have difficulty sitting down or getting up from the toilet;Heavy-duty molded plastic construction with tool-free arms that can be removed or added as needed;Locking device with larger, heavy-duty worm screw and locking plate for a safe, secure fit;Lightweight, portable, and easy to clean; Fits standard toilets;Seat Dimensions: 16.5(D) x 17(W) x 5(H); Width Between Arms: 18; Overall Height: 10; Weight Capacity: 300 lbs