3-in-1 Waterproof Bike Pannier Bicycle Rear Rack Bag Backpack Shoulder Bag Outdoor Cycling Commuting Bag Pack with Laptop Compartment Black

3-in-1 design: This bag can be used as a bike rack bag, backpack and shoulder bag, great for cycling, commuting, hiking, traveling, and other outdoor activities.

Waterproof: High-quality PVC material and welded seams prevent water seeping into the bag, and the roll-top closure ensures better protection to keep your belongings dry.

Large Capacity: Main compartment includes a padded pocket for laptop, and a zipped mesh pocket for valuables; side mesh pocket for small items; exterior zipped pockets for other accessories.

Easy Installation: The new mounting system in the zipped pocket makes it easy to attach the bag onto the rear rack of your bike in seconds.

Hidden Straps: Thick mesh shoulder straps provide good breathability and comfort when carrying the bag. The reflective strip on one strap increases visibility and safety at night.