Our NEW and IMPROVED model, SB-100R SmartBidet Electric Bidet for Elongated Toilets with Remote Control offers newly designed and upgraded functionality to ensure hygiene, comfort and convenience for all users. Some of its new features are its slim design, stainless steel nozzle with a replaceable nozzle cap, child wash button, and an increase in Extensive features include posterior wash, feminine wash, turbo wash, oscillating wash, adjustable water pressure, hygienic filtered water, heated water and seat, quick-release seat for easy cleaning, self-cleaning nozzle and more. Seat Hole Dimensions - 7.9 x 11.5 inches. Seat Thickness - 1.3 inches