A disposal system particularly adapted for hospital use comprising two portions. The first portion is composed of a hollow, outer enclosure adapted for wall-mounting and including an elongated slot inlet at the top with a barrier adjacent the slot for restricting access to the interior of the enclosure. The enclosure also includes a hinged access door for permitting insertion of the second portion of the invention, an inner container, therewithin. The inner container includes an inlet formed in registration with the slot when installed within the enclosure. The inner container includes a pivotal closure which may be locked in place when full in order to prevent access to the contents of the container.