Bike Rear Rack Bag, Bike Rack Bag,21L Bicycle Pannier Bags Rear Trunks,multi pocket Cycling Luggage Bag,suitableBag for outdoor riding, long and short distance travel Rear Seat Pannier

Cycling Luggage Bag includes a main compartment and two expandable side pockets for expanded capacity. Being generous in size and thanks to its many compartments, this rack bag can carry all the absolute essentials. Enough room for lunch makes it also a good commuter bag. Tool Free Installation with 4 Velcro Straps– bike trunk bag fits on most bike carriers thanks to the adjustable Velcro straps, which offer extra stability keeping the bag secured on the carrier.
Materials: bicycle saddle bags is made of 840D nylon cloth, durable and tear resistant.
Capacity: bicycle rear luggage bag size: 15 * 7 * 5.5 inches, 11L capacity. Both sides of the bag can be expanded, with 21L capacity after expansion.
bike seat bag is designed to fit the back shelf of the bicycle. It has PP supports on both sides to protect the items in the bag from being squeezed. It can also keep firm and beautiful when there are no items inside.
Practical: the bike pack has three independent spaces, allowing you to place different items, bike cooler and has independent water cup bags.
Installation: the bicycle back seat bag is equipped with four magic buttons (two at the front and two at the bottom, which are firmly installed). Installation and Uninstall can be completed in a few seconds. Houpu has been working hard to provide you with honest after-sales service.