Abstract: A drinking glass cover comprised of a thin film on a carrier. The film is composed of either a material that clings to smooth surfaces or a material coated with a weak adhesive to remain adhered over the opening of a glass. Optionally, the film material retains its integrity when pierced by a straw or has a straw opening. Optionally, the film material loses its integrity when pierced. Optionally, the film has a tab for easy removal from the carrier. The carrier is a paper, cardboard, or plastic panel to which the film is adhered. Optionally, the carrier is score to facilitate removal of the film. Optionally, carriers are attached to each other in a roll. Optionally, the carriers are detachable from the roll. Optionally, the carrier has a surface coating or layer that facilitates adherence and/or release by the film. Optionally, the carrier can be designed to be used as a coaster before or after the film is removed. Optionally, the carrier and/or film is imprinted.