Using your Restrap 5L fork bag is easy. First, roll down the top of the bag to close it and keep water out. The roll - top design allows you to adjust the amount of space you need. Then, use the two 20mm straps and the four attachment loops to secure the bag to your fork cage. When it comes to packing, put heavier items at the bottom for better balance. For maintenance, wipe the bag down with a damp cloth after use, especially if it's been exposed to mud or dirt. Avoid using harsh chemicals as they may damage the waterproof coating. Store the bag in a cool, dry place when not in use. If the bag gets wet, let it dry completely before storing to prevent mold growth. And remember, the cage is not included, so make sure you have a compatible one for your bike.