General description The 12 Pieces 30ML Stainless Steel Tumblers are reusable metal mugs designed for various beverages such as coffee, beer, and whiskey. Made from high-quality 304 food-grade stainless steel, these cups are BPA-free, non-toxic, and tasteless, ensuring a safe drinking experience for you and your family. Their sturdy and drop-resistant design makes them ideal for children, while the wide and smooth mouth prevents any risk of scratching. Technical specifications Quantity: 12 cups Material: 304 food-grade stainless steel Capacity: 30 ml per cup Mouth diameter: 3.6 cm Base diameter: 2.5 cm Height: approximately 4 cm Usage Perfect for camping, backpacking, traveling, hiking, beach outings, picnics, parties, and other indoor or outdoor occasions. Ideal for serving coffee, beer, whiskey, and other beverages. Other information Stackable design for easy storage and space-saving.