disclosed is a hinge assembly for connecting a toilet seat and cover to a rearward extension behind a toilet bowl . two base members are permanently affixed to the extension in spaced fashion . two hinge support members are provided to snap connect to the base members by virtue of flexible tabs on the base members interconnecting with side wall holes on the hinge supports . the hinge supports , seat and cover can be removed from the extension by squeezing the sides of the hinge support members , leaving only the bases attached to the extension . this facilitates cleaning .