Centers feature an array of use specific openings. Curved top prevents placement of objects on top of receptacles. Comes with a galvanized liner. Flat top items and custom disposal openings are available. Lift off tops provide easy access to galvanized steel liner. All fiberglass containers listed are available in over 31 standard colors and finishes. Please call for options. Two sections hold 9 gallons and the other two holds 16 gallons.