Urban style 2-in-1 commuter pannier with unique weather-proof nylon fabric. Capacity is up to 25 liters, perfect for day out. 1. Simple large room for easy placement of items. 2. Pe protective boards in contact with the inner bag and the rack. 3. Strapped design prevents bag from swinging. 4. Rear 3M reflective tape enhances warning effect. 5. Stabilize simply with durable Velcro. 6. Double pockets, bilaterally symmetrical.