The invention relates to a protective cap for a dispenser, and to a dispenser for discharging pharmaceutical and/or cosmetical liquids, wherein the dispenser has a liquid reservoir and an outlet opening through which the liquid can be discharged into a surrounding atmosphere. The protective cap comprises an outer cap and an inner element inserted therein, wherein either at least one ventilation channel, which can be closed by means of a shut-off element and provides communication between an interior of the protective cap and an external environment, is formed between the outer cap and the inner element, or the inner element closes a ventilation opening of the outer cap.

A lidding device (102) includes a first panel (104) comprising a lid (106) configured to cover and seal a food container (108). A second panel (110) is foldably connected to the first panel. A third panel (112) includes a bottom panel opposite the lid, wherein the second panel is foldably connected to the first panel and the third panel. A fourth panel (114) is foldably connected to at least one of the first panel and the third panel, wherein the fourth panel and second panel are configured to at least partially enclose a food container between the second and fourth panels.