To conceal ugly dirt that cannot easily be removed for keeping appearance good only by making sealing material adhere to the dirty hub mounting or mating face of a dual wheel.

A decoration sealing material for a dual wheel has a shape and size corresponding to the hub mounting or mating face of the dual wheel 2, and is, when necessary, divided into a plurality of parts in the peripheral direction, and in the front face of which, specified colors and patterns are given, and to the back face of which, adhesive agent is applied through released paper. In this constitution, the ugly dirt that is produced on the hub mounting or mating face of the dual wheel 2 and can hardly be removed can easily be concealed only by making the material adhere to the hub mounting or mating face, keeping the appearance decorated. In the case where a decoration sealing material 7 is divided into a plurality of parts along the hub mounting or mating face of the wheel 2 in the peripheral direction, the decoration sealing material 7 can be made to adhere to the hub mounting or mating face without removing the hub bolts and with the wheel mounted, allowing the decoration of the hub mounting or mating face of the wheel 2 with ease and in a short time.