To change a decoration body by rotatably mounting the decoration body, which has an arm part provided with axis holes on both right and left sides, fixed a fixing body to the lower end side of the cover of a bag, gives decoration of different modes on a front side and a rear side and is provided with an axis body for inserting to the axis hole on both of the right and left sides, to the fixing body.

The decoration body, which has an arm part 2 provided with the axis hole 1 on both right and left sides, fixes the fixing body 5 to the lower end part of the cover of a bag, gives decoration of the different modes on the front side and the rear side and is provided with the axis body 6 for inserting to the axis hole 1 on both of the right and left sides, is freely rotatably mounted to the body 5. The body 5 and the rear plate 12 of the decoration body are arranged by matching the positions of the holes 1 and a recessed part 14. Next, the body 6 and an elastic member 13 are arranged at the recessed part 14 of the plate 12. At this time, the small diameter part 16 of the body 6 is put through to the hole 1. Next, a front plate 11 is arranged on the plate 12 and a screw 22 is put through to the screw insertion hole 19 of the plate 11 and the screw through hole 21 of the large diameter part 18 of the body 6 to be complete by screwing to the screw hole 29 of the plate 12.