a new form of trash receptacle that has an outer frame and a hinged lid . at the bottom of the outer frame is a housing designed to hold a large roll of plastic trash bags . the bottom of the housing is fitted with a space to accommodate the lid - lifting mechanism . at the top of the bag housing is a platform that supports a removable inner lining . the lower part of the lining is a rectangular box with a solid bottom and an open top . on top of this box is another rectangular box that has an open top and an open bottom . the top box is designed to interlock with the lower box . new bags are dispensed from the roll through a slot in the back of the frame . a new bag is torn off and the supply of bags remains in this slot ready for the next replacement . two sets of bag holders hold the new bag in place .