Reddit reviews WATERFLY 25L Bike Bag Bike Panniers Bag Waterproof Bike Saddle Bag Extensible Bicycle Rear Seat Bag Shoulder Bag with Rain Cover for Riding Cycling (Black 2)

Water Resistant: Durable 1680D PVC material is durable and wear resistant, as well as water resistant, along with an extra rain cover in the bottom pocket, this bike rear seat bag can perfectly protect your items even in rainy daysMultiple Compartments: There are 4 compartments in total – a main pouch, double size zipper pockets and a rear small pocket; velvet lining and removable thick fleece division boards in the main pouch allow it to keep camera and other devices safelyExtensible Volume: The total volume of this bike pannier is 9L, but it can be extended to 25L large volume - Double side zipper pockets can be opened and extended to 2L capacity, while the second layer zipper on the main pouch can be opened and adds extra volume to the bagSafe & Secure: Reflective strips on the rain cover and bike bag back make you visible in the dark, while a tail light can be hanged on the hole on the bag reflective strip to ensure your safety at nightMulti-functional: With a removable shoulder strap, this bike pannier can be also used as a shoulder bag or a hand bag for camera, photography tools, haircutting kit, makeup tools, etc.