E-Z LOCK RAISED TOILET SEAT. A toilet seat riser that locks securely to round and elongated toilet seats. Includes built-in handgrips. ADDS 5 INCHES TO THE TOILET SEAT HEIGHT. A 5” raised toilet seat that is also very comfortable. The toilet seat helps senior and handicap sit or get up from toilet easily.Do not use abrasive cleaners or cloths to avoid damaging the seat FITS ROUND AND ELONGATED TOILET SEATS. The toilet seat riser will fit round and elongated toilets. The hole in the middle is 9”. EASY INSTALLATION. 3-step easy installation allows toilet seat to be installed in a minute or two. Fits most toilets. VERY COMFORTABLE. A raised toilet seat that is very comfortable. Toilet seat is designed to conform to body contours and is designed for those who weight 300lbs or less.