Abstract: The invention provides a device arranged to be releasably clamped an object, such as a beverage container, and which thereafter provides fop the personal identification of such container. The device includes an arcuate member, which may be made from a flexible, resilient plastic material. The arcuate member has a semi-circular portion and leg portions extending from each end of the semi-circular portion, and also has an enlarged central region for receiving advertising copy as well as for receiving personal identification indicia. The semi-circular portion and the extending leg portions define an opening fop accommodating an object, such as a bottle or can, and are arranged such that when positioned on the outside of the object the device is tightly but releasably clamped to the outside of such object.