A tap for use in association with bag in box containers comprising: - a body having a tap nozzle in the form of an elongated tube having an inner surface and an outer surface, a handle opening at a first end and a dispensing opening at a second end thereof, and a nozzle opening extending into the elongated tube between the first and second ends (52,54), the nozzle opening being placeable in fluid communication with a bag of a bag in box container; - a plug member having a first end and a second end and an outer surface, the plug member structurally configured to fit within the elongated tube of the body such that the outer surface of the plug member faces the inner surface of the elongated tube, the plug member also structurally configured to be slidably movable within the elongated tube of the body between a closed orientation and an open orientation, wherein in the open orientation, the nozzle opening is in fluid communication with the dispensing opening and wherein in the closed orientation the nozzle opening is precluded from fluid communication with the dispensing opening; - an upper seal assembly comprising an upper seal surface region positioned on one of the outer surface of the plug member or the inner surface of the elongated tube between the nozzle opening and the handle opening of the body, and, a upper seal bead positioned on the other of the outer surface of the plug member and the inner surface of the elongated tube between the nozzle opening and the handle opening of the body, wherein the upper seal assembly maintains continuous sealing engagement between the closed orientation and the open orientation of the tap; and - a lower seal assembly sealing the tap nozzle and the plug member between the nozzle opening and the dispensing opening; - a lower seal surface region positioned on the inner surface of the elongated tube between the nozzle opening and the dispensing opening and a lower seal bead positioned on the outer surface of the plug member; said tap being characterized in that: - a drip seal bead positioned at the second end of the plug member wherein the second end of the plug member is engaged with the dispensing opening when the plug member is in the closed position and wherein the lower seal bead contacts the lower seal surface region prior to sealing engagement of the drip seal bead with the dispensing opening when the plug member is moving from an open position toward a closed position. - a body having a tap nozzle in the form of an elongated tube having an inner surface and an outer surface, a handle opening at a first end and a dispensing opening at a second end thereof, and a nozzle opening extending into the elongated tube between the first and second ends (52,54), the nozzle opening being placeable in fluid communication with a bag of a bag in box container; - a plug member having a first end and a second end and an outer surface, the plug member structurally configured to fit within the elongated tube of the body such that the outer surface of the plug member faces the inner surface of the elongated tube, the plug member also structurally configured to be slidably movable within the elongated tube of the body between a closed orientation and an open orientation, wherein in the open orientation, the nozzle opening is in fluid communication with the dispensing opening and wherein in the closed orientation the nozzle opening is precluded from fluid communication with the dispensing opening; - an upper seal assembly comprising an upper seal surface region positioned on one of the outer surface of the plug member or the inner surface of the elongated tube between the nozzle opening and the handle opening of the body, and, a upper seal bead positioned on the other of the outer surface of the plug member and the inner surface of the elongated tube between the nozzle opening and the handle opening of the body, wherein the upper seal assembly maintains continuous sealing engagement between the closed orientation and the open orientation of the tap; and - a lower seal assembly sealing the tap nozzle and the plug member between the nozzle opening and the dispensing opening; - a lower seal surface region positioned on the inner surface of the elongated tube between the nozzle opening and the dispensing opening and a lower seal bead positioned on the outer surface of the plug member; - a drip seal bead positioned at the second end of the plug member wherein the second end of the plug member is engaged with the dispensing opening when the plug member is in the closed position and wherein the lower seal bead contacts the lower seal surface region prior to sealing engagement of the drip seal bead with the dispensing opening when the plug member is moving from an open position toward a closed position.