Roswheel 3 in 1 multifunction rack panniers is a good choice for commuting, camping, long journey riding, in town shopping or everyday school. Features: 1. The bag is made of water resistant canvas material, solid and durable. 2. Unique 3-in-1 multifunction design. Two side bag are built together and the top is detachable. Detachable top bag can be used as a backup bag for extra space. It’s easy changed as a shoulder bag with included shoulder strap. 3. Easy Installation: using 3 buckles with adjustable straps and 2 Velcro straps to assemble or disassemble side bags to the rack. 4 buckles for top bag fixing. 4. Large volume capacity up to 37L (10 gallons). Top bag with a big mesh pocket can hold a 17 inches laptop. Each side bag has a big pocket and as small mesh pocket. It has enough room to carry cycling accessories cycling tools, every day grocery and camping gears. 5. Reflective handle and Logo on side for better safety for low light riding. 6. Built-in PE board to reduce shock and keep shape. Specifications: Color: Army Green Capacity: 37L (10 gallons) Materials: 1000D Polyester Weight: 2.3 pounds