Tire repair kits color=red Stores easily inside a glove compartment. Provides a temporary repair for a tire without the need for messy sealants. After clearing the puncture, use the puncture measurement tool built into the head of the Plug & Go to choose the right size plug. Screw it in with the wing nut until the puncture is sealed, then fold to snap off the wing nut from the seal shaft. Inflate tire to recommended tire pressure and drive to the nearest tire repair center. The threads around the conical seal shaft cut into the tir e rubber and form a series of seals to keep air in the tire. Kit contains 2 small and 2 large Plug & Go tire plugs.