PREMIUM Stainless Steel - The espresso cup is made of high-quality 304 stainless steel, retaining the fresh aroma and taste of espresso; indestructible and more durable than glass espresso cups. DOUBLE WALL DESIGN - Set of 2 stainless steel espresso cups are perfect for travel, outdoor, camping and everyday use. Double-wall insulation design, heat insulation and anti-scalding, solves all the problems caused by single-wall cups. Compact and portable - 2 sizes for you to choose from: 80ml and 160ml. Perfect for use as espresso mugs, coffee mugs, shot glasses, milk glasses, wine glasses, drink glasses and more. Also suitable for children's birthday parties, travel, camping or daily use. EXQUISITE CRAFT - The rounded smooth polished rim won't hurt your mouth; the shiny look matches your espresso machine perfectly; the unique protruding lip on top of the rim prevents the cup from slipping from your hands. Easy to clean and dishwasher safe - the mug is electropolished on the inside and brushed on the outside to keep it rust-free. It's very easy to clean and is dishwasher safe.