Abstract: An adjustable seat belt device for positioning a shoulder belt relative to a lap belt of a passenger restraint system includes an elongated strap. A first fastening element is attached to the first end of the elongated strap where the first fastening element is removably engageable with the lap belt of a passenger restraint system. A second fastening element is adjustably attached to the second end of the elongated strap where the second fastening element is removably engageable with the shoulder belt of a passenger restraint system. A length of loop material is provided in the gap between the leading edge of the flap and the plate to prevent the exposed fasteners from catching on clothing, and the like.