Grundig 3 in 1 Bike Bag Capacity 20-29 Litter backpack, pannier bag and shoulder bag

Perfect 3 in 1?Use as a backpack, pannier bag and shoulder bag Enough space for all you need: The capacity is 20-29 liters. Easy to use: The backpack can be securely attached to the e-bike frame with just 4 steps. Protection during the riding: The backpack is made of tear-resistant, waterproof PVC material. Reflective logos ensure increased visibility in the dark.Removable, ventilated back Panel: For optimal comfort and good ventilation on longer journeys.