AquaWash SpaLet bidet toilet seat features a slim 2-3/8" (60mm) telescoping seat that complements any décor. This water pressured bidet seat features dual, self-cleansing nozzles for independent front and back cleansing; no electrical power required. This seat also features a one button push lift-off for easier cleaning of the seat and bowl, slow close hinges to prevent slamming of the seat, and top mount installation for easier install. Fits most conventional toilets.