A storage compartment and method of locking the storage compartment to an arm rest of a chair are provided. The storage compartment may include a housing having a cavity for receiving articles and a cover movable relative to the housing between a closed position and an open position. Openings may be defined in opposing sides of at least one of the housing and the cover for receiving an arm rest of a chair. The storage compartment may also include a locking mechanism moveable between a locked condition and an unlocked condition such that the housing and cover can be positioned around an arm rest of a chair and the locking mechanism can prevent removal of the storage compartment from the arm rest.