Fits your toilet seat better than other non-electric bidet attachments thanks to its slender frame. The SimpleSpa Thinline Essential lets you enjoy the hygienic rinse of dual nozzles, without cluttering your bathroom space. Hygiene is important, but so is the look of your bathroom. Unlike bulky bidet attachments, the SimpleSpa Thinline's 0.2-in. frame attaches gently beneath your toilet seat, keeping it level and eliminating stress points that could cause cracking.