Waterproof Bike Pannier Bag 22L，Multifunction Bicycle Rear Seat Bag Laptop Backpack Motor Trunk Bag Luggage Bag，3-in-1 Bike Rack Bag, Backpack, Cycle Carrie

• 【Upgraded Material】Use seamless welded technology, made from durable strong PVC fabric and roll up design enables 100% waterproof, kept your belongings in safe, no worry in rainy. Side sliver reflective brand logo,safe and eye-catching.
• 【Multi-functional】Can be used as a bicycle bag, motorcycle bag, luggage bag and backpack. Shoulder straps are hidden in the back bag which could be attached with rear rack. Open bottom zipper compartment, there is a helmet mesh bag inside.
• 【22L Large Capacity】Accord with human body enginering. Large capacity to provide ample storage space with simple design. Large opening and roll top design for easy storage. It can expand the capacity according to the times of folding, and easily store the items needed for riding, such as helmet, kettle, clothes, etc. Build in removable laptop bag for laptop under 15 inch.
• 【Easy To Install】 Open the back zipper to install it on the rack, when used as a backpack, close the zipper to prevent touching the body. The metal hook is wrapped with soft rubber to ensure the fastness and prevent the rack from being worn. Bottom anti fabric, more wear-resisting to ensure no pop-up when riding on bumpy roads.
• 【Wide Applicant 】Convenient and firm installation, fits max 18mm rack tube. Suitable for bicycle adventure, shopping, business trip, etc. It can be used on most bicycle rear racks and can also be installed on motorcycle rear racks.