YAHILL 30L Waterproof Cycling Bike Rear Seat Bag Double Bicycle Pannier Bag 1.Suitable for medium or short riding-Practical use. 2.Equipped with multiple pockets and reflective strips on broadside. 3.Durable Material: 600D & PVC,fashionable and generous design. 4.Large capacity of front and side pockets with zip,which could provide enough space for water bottle and many other vehicle tools. 5.Stable & convenient installation and quick release.