shaped in a form of a truncated cone and a dolly 14 upon which the drum is placed the dolly 14 has a circular cross section and includes a lip 16 for properly receiving the drum 12 dolly 14 includes swivable wheels 15 located on its undersurface to facilitate movement of the drum 12 to a site for pick up or disposal as will become clear hereinafter a plastic liner 18 is located within the drum 12 for receiving trash and is held in place by a tie member 20 which may be an elastic a flexible plastic or string member the tie member 20 is located under a ridge 25 which extends beyond the circumference of the drum 12 at this location and provides an optimum positioning location the top of the liner 18 is positioned over the top of the drum 12 and the tie 20 is wrapped around the inside surface of liner to hold it securely in place this feature may be viewed with greater clarity in fig2 positioned along the side of the drum 12 from top to bottom are longitudinal slots 13 the slots 13 are employed to prevent a partial vacuum from being created between the liner 18 and the cone 12 when the latter is filled with trash in other words this filling action of.