Disconano Extra Large Outdoor 70L Bicycle Rear Seat Trunk Bag Bike 3-in-1 Detachable Travel Pannier Bag Made of high strength Nylon fabric,more solid durable,increase tear resistance. Backpack + Carry bags, installation is simple , morden design, long-distance necessary pack. Reflective design to ensure safe riding. Fucking side bag can be split independently,a pack of multi-use,convenient and practical. With rainproof cover, riding in rainy days without trouble.