🚴♂️ Ride in Style, Stay Dry! Easily attaches to trolley cases for seamless business trips. Securely attaches to racks with robust rubber hooks. Ride confidently with a tail light hook for night visibility. Experience ultimate waterproofing with cutting-edge design. Transform from pannier to backpack in seconds. 22L capacity 100% waterproof Fits 15" laptop The RhinowalkBike Pannier Bag is a versatile, waterproof 22L trunk bag designed for cyclists. It features seamless welded technology for complete waterproofing, a removable laptop bag that accommodates up to a 15-inch laptop, and multiple carrying options including a backpack and shoulder bag. With convenient installation and safety features, this bag is perfect for commuting and travel.