Abstract: A garbage bag holder is provided that has a strengthened support and interchangeable attachments for attaching the holder to various surfaces, including stadium seats. A ring, elongated in a direction perpendicular to the plane of the ring, is provided to hold the garbage bag. A plate is attached to the ring using a reinforced arm, and the plate is designed to fit inside a bracket the bracket being attachable to the surface on which the holder is to be fixed. Various constructions to the bracket permit it to be attached to a fence, a uniform vertical surface, a horizontal surface, and the arm of a stadium seat. An alternative embodiment shows a hand held bag holder. A system is also provided for cleaning sport stadiums which includes the bag holder and a tray for receiving garbage from steps.