Serve your guests a glass of water with dinner from these Chef & Sommelier Water Glasses Open Up 350 ml. This glass combines the innovative Krysta and Sheer Rim technology. This gives the glass a particularly strong, clear and radiant character. The advantage of this material is that the glasses retain their original clarity. After using the Chef & Sommelier Water Glass Open Up 350 ml, it can be easily cleaned in the dishwasher.