6" Contoured Tall-Ette Elevated Toilet Seat - Contoured surface provides a more comfortable and supportive seat Standard toilet seats come with a Slip-In Lok-In-El Bracket that provides a fast, convenient and safe way to secure the seat. Elongated toilet seats come with the Lok-In-El bolt-down bracket that holds the elevated seat securely on toilet bowls: full inner ring contact with the bowl is not required.