toilet cover,potty seat,toilet seat 1.it can put on the family-use toilet seat 2.use new PP material 3 ... .5cm toilet cover,potty seat,toilet seat Function: 1.place flat the toilet seat on the family-use toilet seat,and then ... ,prop the inner part of family-use toilet seat with the fixed rib on the underside of ... the upper parts of the family use toilet seat with the movable rib on the upper part of ...