[Applicable size] Each stainless steel wine glass has 30 ml/1 ounce. Convenient to shop and take out outdoors, these cups are small in size, well suited for travel, camping, and picnics. They are good boxes for drinks, juices, etc. [Safety material] The effective cup is finely and has a surface, which is convenient to carry and straightforward to clean. [Wide use] Suitable for most drinks, similar to whiskey, vodka, and coffee. The cup is a good shipping for bars, restaurants, nightclubs, KTV, offices, home kitchens, etc. colour:Silver Material:stainless metallic size:4 x 3 x 2 Package Contents: 15 x Stainless Steel Shot Glasses Only the above equipment content, various merchandise aren't included. Note: Light and different reveals could cause the colour of the thing within the picture a little assorted from the genuine thing. The dimension allowed error is +/- 1-3cm.