This sierra cup is made of 304 stainless steel material, and it can be heated directly. Multi-scales inside of the cup, which makes it applicable to home and outdoor acting as a measuring cup. Small size, it can be stacked in multiple layers for carrying and storage. Features: Made of 304 stainless steel material, and it can be heated directly. Light weight, suitable for outdoor carrying. Multi-scales inside of the cup, which makes it applicable to home and outdoor acting as a measuring cup. Small size, it can be stacked in multiple layers for carrying and storage. Ergonomically designed handle, easy to take, and can be hung for storage when not in use. Specifications: Material: 304 Stainless Steel Capacity: 160ml Item size: 80 * 65 * 55mm / 3.1 * 2.6 * 2.2in Item weight: 57g / 2.0ounce Package size: 80 * 70 * 60mm / 3.1 * 2.8 * 2.4in Package weight: 65g / 2.3ounce Packing List: 1 * Sierra Coffee Cup