A. This well - designed outdoor cup set can offer you a good usage experience. It is made of 304 stainless steel and has a double - layer design, which can effectively insulate heat and provide a decent anti - scald effect. Whether you are having a picnic or camping outdoors, or in your daily work and life scenarios, it will be your considerate companion. B. The set includes four cups, which can meet the needs of you, your family, and friends to use together. The cups are designed with simple solid - color patterns, which are fashionable and elegant, and can match various environmental styles. Whether placed on the office desk or used in places like bars and restaurants, they look quite suitable. In addition, it can be stably placed in the vehicle, providing convenience for your journey. C. The capacity of the cups is between 301 and 400 milliliters. It is neither too large to carry around nor too small to meet your daily drinking needs. It only weighs 776 grams, is light and easy to carry, and you can take it with you at any time. The product is packed in a color box, which is delicate and beautiful, and can also provide good protection during transportation and storage. D. This set is suitable for various places, whether it is for home use or in places such as casual bars, coffee shops, or teahouses. It can add a touch of elegance and comfort to your surroundings. Whether used to hold coffee, beer, or ordinary drinking water, it will bring you a good usage experience.