Using your Topeak saddle pack is a breeze. First, open the pack and use the internal organizers to arrange your gear like an inner tube, CO2 inflater, and tire levers. To attach the pack, use the secure strap to fasten it to your saddle rails, frame tube, or seat post. When you're on the road and need something from the pack, just unroll it. As for maintenance, if it gets dirty, wipe it down with a damp cloth because of its stain - resistant coating. Store it in a dry place when not in use. Remember, the items like CO2 cartridges and tire levers are not included, so you'll need to buy them separately. And make sure the inner tubes you use match the specified sizes for a proper fit.