Using this DeWalt tool bag is a breeze. First, open the bag and start organizing your tools in the 33 pockets. Put your cordless drill and battery in the dedicated pocket. When you're on the jobsite, the IP54 water - resistant compartment and waterproof base will protect your tools from water and dirt. Just carry it around with you and you'll have easy access to all your tools. As for maintenance, if it gets dirty, you can use a damp cloth to wipe the dirt - repellent tarpaulin. Avoid exposing it to sharp objects that could tear the 1680 denier fabric. When not in use, store it in a dry place to keep it in good condition.