• 8L Large Capacity & Great Organizer to keep your clothes, books ,other daily necessities,your phone, phone charger, wallet, cable, earphone, power bank, map and so on.
• Made of waterproof and durable polyester material, effectively prevent rain, water, mud, dust from entering this bag quickly.The bike trunk pack is made of 600D Oxford fabric coated with superior PU film, which is rainproof and easy to clean. The laminated waterproof zipper also help to prevent rain from penetrating in.
• Not only can it be used as a bike bag, but it's also a stylish commuter chest bag when the hidden shoulder straps are removed from the bottom pocket and hooked into the loop at the other end. Also, it comes with a comfortable handle that makes it a tote bag. It's easy to take away anytime you're done riding.
• Make sure it will not move around even though you're riding on a rugged road.
• Tool Free Installation --- This bicycle rear seat bag come with 4 adjustable hook and loop fastener straps, make it easy to be installed and unloaded in seconds, suitable for most bicycle racks.