Extra mesh pockets there are multiple mesh pockets outside the bag, which can hold water bottles, mini pumps, keys, and other small items. Double zippers double zipper design is more convenient to use, smooth and easy to pull. Adjustable hook and loop hook and loop design is easier to install and can adjust the length according to the bike. Double layer material the bag uses double-layer fabric, the outer layer is wear-resistant fabric, and the inside is a layer of aluminum alloy foil material that keeps your foods warm or cold. Large capacity & layered design : 11l maximum capacity bike trunk bag is enough for storage cycling accessories or take drinks snacks lunch for picnic or go to work. The rear rack bag has multiple layered design, the upper layer can store some daily-used items.In addition, there are mesh pockets on the front and sides to storage small items such as mini pump, keys, cards, and water bottle etc. Excellent thermal and cooler insulation performance this bike rear bag made of outer material:100% polyester pu,inner material:pet pvc insulated material with good thermal and cooler insulation performance. You can carry sandwich drinks snacks lunch for picnic or outdoor party.If put ice pack in the pouch,it will better to keep foods and fresh & cold,and doesn’t leak.It real keep foods cold better than a regular basket. As portable shoulder bag: the luggage bag come with a shoulder carry strap. You can take this trunk bag with you everywhere you can go such ...