The benro cool walker cw 100 is a professional photo backpack for travel and active sports photographers the backpack combines a smart modern design with durable 1200d water resistant nylon fabric that delivers optimum protection for your equipment the cw 100 backpack is the smallest out of the cool walker backpack series and is able to hold 1 dslr 2 lenses and a flashgun the ergonomic harness system provides plenty of ventilation and comfort with the weight evenly distributed across the bo