Vacuum seal slows down the oxidation process. Vacuum pump with wine stoppers. Preserve your wine after opening. Vacuum indicator: clicks when vacuum is reached. Not suitable for sparkling wines. With click vacuum indicator, the original since 1986. Because UV-light has a negative influence on the taste of wine, even dark coloured bottles need to be stored out of the sun. Dutch Creative Brands: It's our goal to develop innovative and creative products In a sustainable way of production. Most of our products are produced in our social work facility. www.clutchcreatIvebrands.com. www.vacuvin.com. Please recycle. Food safe. Dishwasher safe. Designed & made in the Netherlands.