Detachable dispensing systems for containers are provided that include a handling portion having an outer ring configured to selectively secure and, alternatively, remove the handling portion about a dispensing opening of the container and an inner ring defining a circular aperture within the handling portion, a hollow rigid member slideably disposed within the circular aperture and selectively positionable between a recessed position and, alternatively, an extended position, and an extendible spout at least partially disposed in the hollow rigid member and connected to the hollow rigid member, in which the extendible spout is configured to dispense a pourable material from the container through the distal opening when the handling portion is engaged about the dispensing opening of the container. Material containers are also provided that include a container having a dispensing opening and the detachable dispensing system selectively connected to the container about the dispensing opening.