Like other Ortlieb cycling products, the Up-Town Rack stays firmly in place and protects your gear from rain. The bracket on the bottom of the bag only needs adjustment once, after which the bag can be snapped on and off with ease. The bracket also keeps the bag upright when you lower it to the floor. An excellent choice for grocery runs, visits to the library and commuting. - Made of waterproof PS33, with welded seams - The wallet, keys and phone are conveniently stored in their own zippered compartment - High quality 3M reflector - Maximum load 10 kg - The product does not contain PVC - Five year guarantee - Made in Germany The bracket (Top-Lock) that comes with the bag is suitable for most bike racks with an upper part 6 to 14 cm wide and pipes 8 to 16 mm thick.