Stainless steel shot glasses: Made of 304 stainless steel, these small wine glasses are rust-proof, robust, durable, and portable. The smooth surface makes them easy to hold, clean, and use. Ideal for enjoying a drink during a camping trip with your partner. Mini shot glasses: Each small stainless steel wine glass has a capacity of 70 ml. Lightweight and compact, they are easy to carry and enhance your travel experience. Lightweight and portable: The glasses can be stacked and stored in the included black leather bag. Their compact size saves space in your backpack, making them perfect for travel. Wide use: These portable wine glasses are suitable for various beverages such as whisky, vodka, tequila, coffee, milk tea, and wine. Ideal for camping, picnics, travel, hiking, as well as for use at bars, restaurants, nighubs, KTVs, offices, and home kitchens. Set includes: 4 portable mini stainless steel wine glasses and 1 leather storage bag, sufficient for family or shared use. Pocket-sized and convenient. Color: silver. Material: stainless steel. Size: 5.6 x 5.3 cm. Package contents: 4 x wine cups, 1 x cup case. Note: Lighting and display differences may cause slight color variations. Measurement error allowed is +/- 1-3 cm.