The floor is ridiculously difficult to assemble.  The "pins" to keep the backrest in place busted as I tried to "snap" in place.  Not one.  Both of them.  Neither would fit despite numerous attempts to enter at different angles.  Always lopsided, refusing to budge leaving a gape and unsecured backrest.  The lock assembly on lid/bench seat is not level making forcing one to physicallly separate in order to put lock on.  Another, typical, Chinese fiasco...can we think COVID and where it started?