Waterproof:The bike trunk bag is made of waterproof material,water laminated zipper ,Comes with a rain cover,Totally waterproof when you used it as a bike seat bag.
The water bottle holder with adjustable drawstring design are helpful for avoiding the water bottle fall out on a bumpy ride.
Removable interior thicken pad can reduce shock and you can store digital products like cameras,etc or other valuable products.
Features: This Huntvp bike rack bag can be converted into a bike pannier bag by unzipping the top and two side zippers for increased storage. Available capacities are 11L, 17L, and 30L.
Removable Shoulder Strap: There is an adjustable nylon shoulder strap in the package, with easy locks on both sides, the strap can be installed and removed effortless, and you can carry the bike pannier on the shoulder or by hand while not cycling.