INSULATED DOUBLE WALL DESIGN - The clear coffer mugs stay cool to touch, without burning your hands. 2-layer demitasse glass helps keep your drink hotter and colder than normal glass and ceramics.
LIGHTWEIGHT BUT NOT FLIMSY - Sweese glass cups is made of 100% lead free clear borosilicate glass, which is lighter and durable than normal glass. Our mug set is microwave safe and dishwasher, but recommend wash by hand.
RGONOMICALLY SIZED - Nice design make it feel comfortable in hands. Each of the glass cups holds 8 ounces to the rim, which is large enough to nicely go with espresso machines or coffee makers, yet perfectly sized for espresso, tea, coffee, latte, mocha etc.
AN IDEAL GIFT - Beautifully shaped and well wrapped in a gift box, these espresso mugs could be the ideal gift for your family or friends especially on special occasions such as birthday, housewarming, wedding, parties, Mother’s Day etc.
DESIGN--There is a small round hole design on the bottom of glass coffee cup, in order to prevent glass mugs burst when using, allows the glass to breathe in process. DON'T WORRY, it is seal, the water would not go in.