Features: Durable and Water-Resistant: Made with premium quality materials that are water-resistant this bike pack under seat will keep your belongings dry and safe during your ride. Hard Shell Protection: With its hard shell design this under seat hard shell bike seat bag rear bag provides extra protection for your belongings preventing damage from bumps and falls. Easy to Install: This waterproof bicycle rear carrier bag saddle bag is designed to be easily installed under your bike seat so you can quickly and securely attach it before your ride. Large Capacity: With plenty of space for your essentials this waterproof bicycle saddle panniers bike luggage bag is perfect for carrying everything you need for a long ride. Reflective Design: The reflective design of this bike pack under seat ensures that you are visible to other drivers making it safer for you to ride at night or in low-light conditions. Specifications: Color:Black Materials: Oxford Cloth Size: 11*4*17cm Note: Due to the screen lighting effect the actual color of the product may be slightly different. Due to manual measurement please allow size error. includes: 1*Bicycle Saddle Bag