GBG bags are among the best on the market. The bags are very waterproof and fit in hard bags. Can be removed immediately to bring luggage to hotel room, home, office, etc. The bags are made of very strong and durable Cordura. The outer lining is made of strong piping that can be reflected at night and help to be seen and protect your safety. The sturdy profiles also help keep the bags in shape while holding them on the surface. The bags are very durable, lightweight and handy when you are on the go. High quality YKK zippers are used in the pockets, and most pockets open like a briefcase, making it easier to carry. The bags that fit in the aluminium luggage can also be folded in suitcase/suitcase. The bags also have a shoulder strap and handles making it very easy to carry. The bags can be easily folded and used for the next trip. Each bag is equipped with cleats on the bottom, in case you need to put it on the road or on the ground. Most pockets have an external pocket for important documents such as passport, etc.