A device is provided comprised of a first layer, a second layer, and a third layer. The first layer lies on top of the second layer, and the second layer lies on top of the third layer. The device may be substantially in the shape of a sheet having a width of about six inches and a length of about eight inches. The first layer may be comprised of a backing. The second layer may be comprised of an adhesive. The third layer may be comprised of a clear material. In at least one embodiment the first layer can be removed from the device, exposing the second layer, and the second layer can then be adhered to a bag to cover an opening in the bag with a combination of the second layer and the third layer.