Mugs -Our handy borosilicate mugs are a chic and versatile vessel for everything from an Irish coffee to your favorite tea or java. Stronger and more heat-resistant than plain glass mugs, the double-walled construction prevents the cup from getting too hot for your hands. Available in 10-ounce and 12-ounce sizes to mix and match, our mug also makes a great hostess or housewarming gift. Material: Glass, Also could be used for Coffee mug,tea cup,insulated glass mug. By Cost Plus World Market.608532