A toilet includes a toilet unit and a toilet seat system. The toilet includes a lower bowl, the lower bowl having an upper support surface defining an upper opening sized to receive human waste from a user seated over the upper opening. The toilet seat system includes a base and a cartridge. The base overlies the upper support surface and is fastened to the toilet unit. The cartridge is removably connected to the base. The cartridge includes a plurality of peel-off seating layers, each peel-off seating layer being independently separable from the other peel-off seating layers for disposal, each peel-off seating layer including an outwardly extending removal tab, and each peel-off seating layer including an upper seating surface sized to support a user seated over the upper opening.