Unbreakable – Made of food-grade 304 stainless steel which contributes to the unbreakable characteristics of the mug. The cups are great for wine/coffee/coffee/milk/ ice water, etc. And they are rust-resistant. Great design – The metal cup is a very cool design; it not only can be used for drinking but also a terrific decoration when it’s put on your desk. The stainless steel mug with handle, you won’t feel any extra hurdle when holding it. Easy to clean – The stainless steel cup is very easy to clean after drinking. They are dishwasher safe. Healthy, Safe, and Environmental-friendly – Our cups are environmental-friendly and completely recyclable. Spec - 8.4cm (Top diameter) * 9.7cm (Height) * 6.1 cm (Bottom diameter) / 3.3” * 3.8” * 2.4”.