VEVOR Raised Toilet Seat, 5" Height Raised, 350 lbs Weight Capacity, for Round and Elongated Toilet, Twist Lock Installation,19.1" - 21.7" Adjustable Width, for Elderly, Handicap, Patient, Pregnant, M5" Elevated Toilet SeatTwist Lock Installation16.9" - 18.9" Inner Armrest WidthArmrests with Soft PaddingSturdy Materials and ConstructionDurable in Moist EnvironmentsCompatible Toilet Types: Standard Round and Elongated Toilets,Weight Capacity: 350 lbs / 158.7 kg,Seat Cushion Type: Firm Seat Cushion,Width Adjustment of Armrests on Both Sides: 2-level Adjustment,Primary Materials: Aluminum, Plastic,Width of Armrests on Both Sides:,Item Model Number: FBL760602,Product Weight: 6.2 lbs / 2.82 kg, ± 3%,Seat Elevation Height: 5" / 127 mm,Outer: 19.1" - 21.7" / 485 - 550 mm,Product Dimensions: 17.1"x21.1"x12.7"/435 x535 x322 m,Inner: 16.9" - 18.9" / 430 - 480 mm