Set of 4 Eworld™ Double Wall Glass Mugs which are Beautiful addition to any cafe, restaurant, pub and definitely to your own home. SATISFACTION PROMISED: If you are not satisfied with our Coffee Mugs, Inform our seller support and we will make a replacement and refund for you right away. Buy it with confidence please. LET ME BREATHE: 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. PERFECT FOR COFFEE / ESPRESSO MACHINE: Each of the coffee mugs set holds 5 ounces to the rim, which is enough to go with an espresso machine as well as a small coffee maker, perfect for cappuccino, shot espresso. What’s more, you can reheat in the microwave or you want to drink a cold beverage, safe in the freezer. It is also dishwasher safe, but we recommend washing by hand. Dishwasher and Microwave Safe: Made of premium quality materials, these attractive hand-blown coffee and tea cups have been designed and manufactured for regular everyday use. They are fine in the dishwasher, microwave - and in even the freezer. USE: Can be used for Capucinno cups, Lungo cups, Macchiato, Latte, Espresso cups, Demitasse cups, Tea, smoothie and juice.