They are food-safe, alcohol-resistant and very easy to clean in the dishwasher after use.
The Z50 in mushroom shape for an easy handling. They adapt to nearly every bunghole and create a vacuum after only a few days because of the microoxygenation in the barrel.
Dimensions Z50 ca.: Ø Bottom: 45 mm Ø Head: 54 mm Height: 37,5 mm