The coffee cups set make of stainless Steels, rustproof, strong, light in weight and food safe. The double walled structure provide barrier for heat transfer and have good Thermals insulation. Easy to clean: Clean with sponges or soft cloth, or safely put in the dishwasher. Espresso cups can keep the freshs and taste of coffee, which will make daily more convenient. The coffee cups set can used to hold lattes, cappuccinos, milk, teas, milk, juices, water and most daily drink. Suitable for kitchen, car, teahouse, restaurant, outdoor picnics and campings.