Today, Eisch is known internationally for the quality and innovation in the glassware they produce. The Sensis Plus Glass elevates the enjoyment of wine and other beverages to a new level. The Sensis Plus Glass is made of high-quality lead-free crystal. After the manufacturing process, the glasses undergo an additional Sensis Plus treatment, which gives them their specific properties. Sensis Plus glasses offer a completely new experience in the enjoyment of wine -- wine poured in Sensis Plus glasses becomes more harmonious and complex, with better balance and greater elegance. Through a completely natural process, the original character and structure of the wine are preserved, while its aromas and flavors become more expressive and generous. Sensis Plus glasses also improve the enjoyment of spirits, fruit juices, sparkling water, and other beverages. The Sensis Plus Glass is light, thin, and durable. The Superior Sensis Plus Glass line utilizes Advanced Pulled Stem Technology (Production from 1 Piece); due to this they are very break resistant. Every Sensis Plus glass has an identifying label on the goblet and a sand-etched mark (wave) at the bottom identifying it as an Eisch produced Sensis Plus Glass. CLEANING INSTRUCTIONS The Sensis Plus Glass does not lose its effectiveness - ever. And, it has no special cleaning requirements. Wash it as you would other quality crystal glasses. Sensis Plus glasses are dishwasher safe. All glasses will be sold in packs of 6. The price of these glasses reflects the price for a single package of 6. If you wish to purchase a larger quantity than 6, please be mindful when selecting the quantity that you are selecting packages of 6. Thus, a quantity of 2 selected would indicate that you wished to purchase 2 packages of 6 glasses or 12 glasses. A quantity of 3 selected would indicate that you wished to purchase 3 packages of 6 glasses or 18 glasses.