A. This newly designed coffee cup set is suitable for outdoor camping and daily use. It is made of 304 stainless steel, which is of good quality, sturdy and durable, providing a relatively long - lasting usage experience. B. The set includes 4 double - layer water cups, specially designed to meet the needs of multiple people. The double - layer structure can effectively insulate heat and keep the temperature of the drink relatively well. Whether it's hot water or cold drinks, you can enjoy a suitable taste. C. The cups have a simple and fashionable appearance. The solid - color pattern shows an elegant and refined texture. The size is 115mmX155mmX240mm, which is of a proper size, convenient to hold and carry. The capacity is between 301 - 400ml, which can meet daily drinking needs. D. It can be used in a wide range of places. Whether you are having a relaxing time in a bar or restaurant, replenishing water during outdoor camping or barbecuing, or in driving scenarios, lounges, cafes, teahouses, etc., it can fit well. In addition, a storage bag will be given as a gift when you purchase this set of cups, which makes it easy to store and carry the cups. Even when you go out, you can easily arrange them. The product comes in a carton packaging, which is delicate and practical. Such a multi - functional coffee cup set is worth having.