Material: The bicycle bag is made of high-quality canvas and stitched PU leather, which is strong, wear-resistant, and durable. Suitable for transporting various items on the bicycle. Dimensions: Large capacity, up to 9.5 gallons (approximately 36 liters). Single bag dimensions: approximately 27*44*15 cm / 10*17*6 inches. Provides ample space for bicycle accessories, bicycle tools, personal belongings, and camping equipment. Comes with two black cords, which allows the bag to be easily threaded through the small hole and attached to the rack. You can use one cord and keep the other as a spare, or use both cords simultaneously. Vintage Design: Classic vintage canvas look and a buckle on the lid that opens and closes quickly to prevent contents from falling out. Each bag has a side pocket, which is very convenient for storing small items. It can be easily attached to the rack without extra accessories or tools. Well-organized, with a large pocket on each side of the bag.