Raised Toilet Seat, 136.1 kg Load Capacity, 88.9 mm Lift Height, Commode Elevated Toilet Seat Riser with Enlarged Opening for Seniors, Elderly, Handicap, Disabled, and Adults, Fits Round BowlProduct Features Raises Toilet Seat 3. 5 in Our raised toilet seat increases toilet height by 3. 5 in (88. 9 mm) for improved comfort. It is ideal for pregnant women, seniors, patients, and the disabled, reducing pressure on hips, knees, legs, and Achilles tendons Twist Lock Installation No drilling or modifications are neededsimply align the holes and secure with bolts. This toilet seat riser fits most round toilets for a confident purchase Sturdy &