This is a very versatile piece of equipment. It is large enough to stow a lot of gear and can, in some cases, replace soft saddlebags. On a 6 day trip in 1999, I put all my stuff (and more than I needed) in it. The bag can be secured to the bike either by nylon straps or you can toss those and attach a magnetic base (optional, extra cost). I went for the magnet and it really holds well (*Note: the magnets are quite strong, as someone I know found out. He lost the image on his laptop hard drive when he took it home from work one day!). The bag has two equally sized compartments, one with a map window cover. Either compartment will attach to the magnetic base via zipper (the same zipper that connects the two compartments together). Each compartment has some stiffening material in the sides to retain the general shape of the bag. There is a zippered pocket on the front of one of the compartments (I keep my Kryptonite disc lock and cable in there) and a handle on the back side. When the bag is used fully loaded with both compartments, it will be quite tall and is about 8 inches higher than the windshield. The bag will lean to one side or another in this situation, but I admit I could have packed it better to avoid this. The base will not move, even if there are strong side winds. I'm very happy with the product. It comes with a rain cover, but I have not had the opportunity to test it yet. I can't tell you if the price is acceptable compared to other offerings, but it has saved me from buying saddlebags (so far). Dan Vukobrat Mississauga, Ontario CANADA '99 VFR800