Set of 2 handmade, double-wall thermo mugs, each mug boasting a unique curvature that holds 5.4 ounces. JoyJolt’s unique double walled glasses are designed to suspends drinks within an inner wall for an engaging optical effect Made of heat and condensation-resistant borosilicate glass, which is stronger and more durable than common glass that gives a smooth finish and a crystal clear look. Keeps your liquid hot while keeping your hands cool. Ships in an elegant colored printed box that is perfect for gift giving. Give that someone special in your life something that they will definitely enjoy Beautiful addition to any cafe, restaurant, pub and definitely to your own home. Can be used for Capucinno cups, Lungo cups, Macchiato, Latte, Espresso cups, Demitasse cups, Tea, smoothie and juice. Our espresso mug is made of high quality borosilicate-glass, Safe for dishwasher and microwave use