Safe : The cup is made of high-quality food-grade stainless steel material, which is not easy to rust and is durable. Both inside and outside surfaces are polished. No odor, BPA-free, safe for everyday use. Stackable Design: Includes 4 stainless steel drinking glasses that can be stacked to save space. Lightweight and Portable: This stainless steel cup is lightweight and easy to carry. Unlike traditional bulky travel cups, it adds minimal weight, making your travel more convenient and enjoyable. Capacity: 30 ml. Convenient Storage Bags: Comes with a faux leather bag and a drawstring storage bag. Compact size for easy portability. The faux leather bag features a zipper closure to securely hold the cup. The drawstring bag is washable. Choose the best option for traveling or outdoor activities. Wide Range of Uses: This portable cup set is ideal for camping, picnics, hiking, and other outdoor activities. Convenient for enjoying hot coffee, milk tea, wine, beverages, and more while outdoors, especially in cold weather. Product Includes: 4 x Stainless Steel Cups 1 x Faux Leather Cover 1 x Drawstring Storage Bag Portable and Storable: Designed for easy transport with included storage solutions. Mini Size: Compact and lightweight design ensures convenience during travel.