SCICON Hippo 550 Saddle Bag Cordura Made out of durable woven Nylon with reflective piping and a light loop for greater visibility Roller 2.1 mounting system attaches the saddlebag to your saddle rails without any tools Weight 137 graaBuilt into the Roller 2.1 mounting bracket are two tire levers ms Keep your pockets free from spare inner tubes and tools.