HOODDEAL 18L Bicycle Bike Big Rear Seat Tail Bag Pannier Outdoor Waterproof Racks Black Material: Canvas Polyster Waterproof Side package can be put many items,Store more small objects, keep it neat and easy to find Reflective material surrounded by bicycle bags, night driving more secure and assured Two big bags and small bags each side, 18L big capatity,You can store more items for your trip Bicycle lovers essential cycling bags, no stored troubles, apply for out shopping, excursions or more