To use this 40L Chasm Wheeled Duffel, first separate your clean and dirty items in the internal mesh pocket. Adjust the external compression straps to fit your packed items. When rolling the bag, take advantage of the large rear wheels on rough terrain. As for maintenance, clean the bag with a mild detergent and a soft cloth. Keep it in a dry place to maintain the water - repellent finish. Be gentle with the polycarbonate back panel to avoid damage. Also, remember that since it's made of recycled materials, it's an eco - friendly choice, so handle it with care to make it last.