MOSISO Bike Rack Bag, Waterproof Bicycle Trunk Pannier Rear Seat Handbag

Dimension of this bike bag: 15.2 x 7.08 x 7.08 inch ( L x W x H). 1 main compartment has 12L capacity to keep your clothes and other daily necessities. 3 small multifunctional pockets can store your carry-on items while you're riding, such as your phone, phone charger, wallet, cable, earphone, power bank, map and so on.
Each side has a foldable pocket of 6L capacity to keep your other stuff, such as your clothes, towels and so on.
Made of waterproof polyester material, effectively prevent rain, water, mud, dust from entering this bag quickly. 4 hook-and-loop fastener straps are stable enough to hold this bike bag on the backseat. Make sure it will not move around even though you're riding on a rugged road.
A water bottle pouch is designed with elastic band to keep different water bottles or umbrellas (up to largest diameter 2.7 inch). And a handle design on the top makes it easy to carry this bag around in comfort, convenient your use.
Some reflective strips designed on the bag is to increase your night visibility, reflecting the lights when you're riding at night, keep your night ride more safety.