Come and see our amazing products. The milk glass is made of high-quality high-boron glass, which is strong and durable, and has a very low thermal expansion coefficient, reducing the impact of sudden rises or drops in temperature, so that it will not burst. The glass coffee cup is safe to use and can be placed in the dishwasher, microwave or refrigerator. The size of the espresso cup is 2.2x2.4 inch, which is an ideal size, you can use it for coffee or liquor, suitable for many occasions. This capacity is 3.4 oz/100 ml, which is a suitable capacity. Drinking a cup of hot milk at night can make your child sleep better. Pls confirm with us about the packing info, stock color and exact production time before placing your order.