Material: Made of food-grade 304 stainless steel and high-quality 201 stainless steel, sturdy, the cup is polished inside and out, BPA-free, odourless and the lips are smooth enough and will not cause injury. Suitable for adults and children: The cup is manufactured with a modern design style and production technology, both adults and children can easily hold the wall of the cup and use it without cracks or deformation, perfect for long-term use. With a capacity of 500 ml each, the stainless steel cup holds most liquids and is suitable for a variety of beverages, such as milk, coffee, lemonade, beer, juice, tea and other beverages. Stackable design cold drink cups: Each set contains 10 stainless steel drinking cups that can be stacked to save space, are useful and easy to store, and are beautiful cups suitable for everyday use or parties. Purpose: Easy to clean, comfortable to hold, stylish and classic appearance, dishwasher safe after use. Durable stainless steel cup, safe, sturdy, rust-free, can replace plastic or glass; can be used repeatedly, durable and environmentally friendly, suitable for everyday use. Applicable scenarios: Suitable for indoor and outdoor use, suitable for children and adults for use at home, in the office or outdoors, such as camping, hiking, picnics and other occasions. High-quality material: Made of food-safe 304 and 201 stainless steel. Sturdy, BPA-free and odourless, with smooth edges for safe use. Suitable for adults and children: Modern design for easy gripping, break-proof and deformation-resistant. Perfect for everyday use. Space-saving stackable design: The 10 cups can be stacked compactly to save space. Ideal for household and parties, practical and stylish. Versatile use: Dishwasher safe and environmentally friendly. Suitable for milk, coffee, juices and more, a great alternative to plastic. Indoor and outdoor use: Perfect for home, office, camping and picnics. Suitable for children and adults, ideal for a variety of uses.