These 13.5oz double wall glasses are perfectly suited for a multitude of hot and cold beverages as well as desserts. Individually handmade of heat-resistant borosilicate glasses, they are designed to keep your liquid hot or cold for a longer period, while keeping your hands cool to the touch, it also eliminates need for coasters as no messy condensation will occur. Dishwasher, microwave, oven, and freezer safe. Made from borosilicate glass. Includes a set of 2.