Schott ZWIESEL Wine Glass Ranges We Give Shape to Wine® Through the Schott ZWIESEL brand, Zwiesel Glas has been a significant innovator in drinking glassware design and technical development.We work with sommeliers and designers to create stemware that bothenhances your appreciation of wine and delivers real handling benefits.Design married to functionality, then reinforced with durability & the unique reassurance of being environmentally friendly. Contact Us Today...