The seat can be adjusted to increase the height of the toilet seat by 50 mm, 100 mm or 150 mm, and includes flip-up lid and lift-up armrests to facilitate lateral transfers from a wheelchair or commode. Installs over existing toilet seat hinging points, this Toilet Seat Raiser will fit most toilets. Max user weight: 130 kg. Height can be set to150 > 100 > 50 mm. Armrest height 200 mm above toilet seat. Between armrests 500 mm. Weight 5.5 kg.