Abstract: A clamp for holding of films, tape lines or the like consists of an underpart consists of a floor and stops projecting from the floor and arranged at a distance from each other, laterally bounding a holding region, and a top part attached to the underpart and opposed to the floor, an entry opening being provided between the top part and the stop arranged on one side of the holding region. The clamp comprises a lid overreaching the top part in closed position and connected to the underpart by a closure, with which lid the entry opening is closable.