A. This bicycle tail bag is designed for road cycling, combining style and practicality. It is made of nylon material, which is not only lightweight and durable but also has excellent waterproof performance. Even if you encounter bad weather during your ride, it can effectively protect the items inside the bag from getting wet by rain. B. The tail bag has a capacity of 1.5 liters, which is of a moderate size. It won't be too large to add extra burden to your ride, and at the same time, it can meet your basic storage needs during the ride. Whether it's your phone, keys, energy bars, or small repair tools, they can all be easily put into the bag. C. The inside of the tail bag is equipped with a lining. This thoughtful design not only helps to better separate items, keep your items more organized, and make it easier for you to quickly find what you need, but also further protects the items from scratches. D. In terms of design aesthetics, it has a simple and elegant appearance and can be well - matched with bicycles of various styles, adding a unique charm to your ride. Additionally, this tail bag is in stock, so you don't have to wait for a long time and can get it immediately to start your wonderful cycling journey.