Using the DeWalt DWST560101 Backpack is easy. First, you can put your tools in the 46 pockets according to their types. The dedicated compartments for drills and batteries are very convenient. For your valuables, place them in the IP54 water - resistant compartment to keep them dry. When it comes to your laptop, use the separate laptop area to prevent damage. As for maintenance, regularly clean the dirt - repellant tarpaulin with a damp cloth. Avoid overloading the backpack to maintain its shape and durability. If it gets wet, let it dry naturally in a well - ventilated area.