Made from 100 Lead Free Crystal All Ari wine glasses are made of high quality leadfree crystal which will not cause any harm to the human body These wine glasses have been tempered in high temperature with extremely high transparency suitable for tasting all kinds of wines you like Capacity The glass have a capacity of 190ml Thickened wall and heavy weight bottom promise a long service time Occasion Add these durable wine glasses to your permanent collection for your home bar at special events for restaurants hotels or other locals and make sure your guests or customers enjoy a complete wine tasting experience Dishwasher Friendly All glasses are completely dishwasher safe These glasses are also easy to wash by hand Also please do not twist stem and bowl while holding one or the other tightly 100 Customer Service If you have any questions about our products you can contact us via Mail and we will do our best to help you solve the problem