Espresso Shot Glasses by LevBrava, Double Wall Thermal Glass, 2.5 ounces, Set of 2 DOUBLE WALL THERMAL GLASS - The double wall allows you to keep heat from your hands while creating a highly effective layer of insulation, keeping coffee or espresso warm HIGH QUALITY- borosilicate mouth blown glass, strong enough to handle abrupt changes in temperature, without shattering MULTI-USE- Ideal for your favorite espresso coffee, latte, cappuccino, tea or dessert. Dishwasher Safe, Microwave Safe and Freezer Safe TWO LAYER DESIGN- creates dramatic optical illusion and prevents condensation 100% SATISFACTION GUARANTEE