Lid types include slot, round and square, decals included for each slot type. Choose a base that best suits the volume of recycling expected. Top is Black baked enamel. Hinged top is specifically designed to accept certain waste depending on the lid type. The Slot Lid includes decals designed to segregate waste and recyclables. The heavy-gauge steel base with a baked enamel finish has securing wires to hold plastic container bags (not included) in place. Base and tops ordered separately.