Using the Topeak Bikepacking Midloader 4.5L Frame Mount Bag is a breeze. First, find the right spot on your bike frame. Make sure the top tube diameter is between ø45 - ø66 mm, the down tube diameter is between ø38 - ø70 mm, and the seat tube diameter is between ø28 - ø60 mm. Then, use the hook and loop fasteners to attach the bag securely. You can open the two water - resistant zippered openings from either side to easily access your gear. When packing, try not to exceed the maximum load of 6.5 kg / 14.33 lb. For maintenance, wipe the bag with a damp cloth after use, especially if it gets dirty. Store it in a dry place to keep it in good condition. Avoid sharp objects that could damage the bag's lightweight and durable polyethylene/nylon material.