Abstract: In a flag tag game device, there is provided a coupling for detachable coupling of a flag to a belt. The coupling includes a first member of flexible cup-shaped structure having a greater inside wall to inside wall distance adjacent the interior base than adjacent the opening thereof. A correspondingly shaped member is provided for being secured in the first member by suction. A belt having an adjustable buckle is also provided to which the coupling is attached. The buckle of the belt is adjustable in two manners. The first is gross adjustment and the second is fine adjustment so that the belt can be worn by users of all ages.