Sturdy environmental protection material: The cup is made of sturdy stainless steel, which is durable, rust-proof, tasteless and environmentally friendly. An excellent alternative to plastic drinking cups. Fashionable and beautiful: The stainless steel mug is very shiny, and the design of the small cup looks very fashionable. A great gift idea. Mens Day gift is also a great gift accessory for hip flasks and gin bottles Stackable and easy to carry: 4 stackable cups with a black leather bag, easy to carry and store. They can be easily stored in your backpack, handbag and bag Mini size: Capacity: 30 ml. Diameter 37 mm, base diameter: 26 mm, height: 41 mm. Drinking becomes easy and convenient when traveling, and it is easy to clean in the dishwasher. Our wine glasses are very small, please check if the size is correct before buyingWide application: stainless steel cup is very suitable for indoor use such as work, school and family, and also very suitable for camping, vacation, picnic, hiking and other outdoor sports, parties, etc. 1. Made of durable and rust-resistant stainless steel. It is reusable, odorless and environmentally friendly. The stainless steel mug is almost indestructible and super hygienic. 2. The stackable cups are easy to clean. Ideal for camping, hiking and other outdoor sports, gatherings, etc. 3. 4 stackable cups, equipped with a black leather bag, easy to carry and store.4. It is also very suitable for hiking or participating in parties, costumes, carnivals, and Oktoberfest. Box content: 4 X stainless steel cup with leather bag