Features 1、Made of fine quality stainless steel, does not rust and is not easy to be damaged during use. 2、The mouth of the cup is smooth and won/u0027t scratch the lip. 3、Stainless steel can hold hot water, tea, carbonic acid beverages, fruit acid beverages and other beverages, and can resist the corrosion of malic acid. 4、Wear resistant, smooth surface, easy to wash. 5、Equipped with a storage bag, it is convenient to store the cup and keep the cup hygienic. A set of four cups, made of stainless steel, is not easy to damage, and is very suitable for outdoor activities. Features: Made of fine quality stainless steel, does not rust and is not easy to be damaged during use. The mouth of the cup is smooth and won't scratch the lip. Stainless steel can hold hot water, tea, carbonic acid beverages, fruit acid beverages and other beverages, and can resist the corrosion of malic acid. Wear resistant, smooth surface, easy to wash. Equipped with a storage bag, it is convenient to store the cup and keep the cup hygienic. Specifications: Color: silver Material: stainless steel Cup capacity: 180ml Cup size: 73 * 60 * 73mm / 2.9 * 2.4 * 2.9in Package size: 200 * 90 * 90mm / 7.9 * 3.5 * 3.5in Package weight: 292g / 10.3ounce Packing List: 4 * Cups 1 * Storage Bag Package List 4 * Cups 1 * Storage Bag