EWC441S TOTO Supplemented Toilet Seat (Single Item) Elongate Size 2.0 inches (50 mm) Type; Size (W x D x H): 14.4 x 20.7 x 1.2 inches (36.6 x 52.8 x 3 cm); Material: Polypropylene; This item allows the seat to be elevated and makes it easy to sit on. Recommended for those who have difficulty sitting on their toilet bowl. Depending on the type of toilet and toilet seat, it may not be able to install it.