A container system securable to a base such as a roof gutter, a railing, a ladder top, a ladder rung, an edge, a platform and the like. The container system includes a container such as a utility bucket, a pail, and the like; a horizontal member in the form of a collar securely attached to or integratedly molded into the container. The collar is provided with a plurality of fasteners to removably attach the container to the base. In one embodiment, the fasteners are selected from braces, clamps, locking devices, clips, hooks, protrusions, and combinations thereof. In one embodiment, a U-bolt is provided to securely attach a bracket to the container, and for attaching to a base.