Material: Safe and sturdy stainless steel: These cups are made of food grade 304 stainless steel, polished inside and outside, ensuring no BPA, no taste, and maintaining good rust resistance and long-term durability | Capacity and size: Each cup is 8 ounce / 230ml, making it suitable for children and easy to hold. The small size also allows for stacking during storage | Versatile use: Suitable for both adults and children at home, and can also be used for outdoor activities such as camping, tourism, hiking, beaches, and picnics | Quantity and storage: Each pack contains 6 stainless steel cups, sufficient for daily use and stackable for easy storage | Design: Modern and sleek design with a silver color that appeals to a wide range of users