Lightweight and made from durable plastics with a sturdy wooden handle, the Ball Clothes Washer will not rust away . . . ever. The powerful cleaning action pushes AND pulls water through the clothing and will actually pull out residual detergent left by electric washers. It's easy to use and gentle on fabric, yet sturdy enough for large items like comforters, sleeping bags, rugs and blankets. It's the perfect solution in the event of natural disasters that knock out electricity, failure of your washing machine, camping/backpacking, RV traveling and humanitarian efforts around the world where water/electricity may be in limited supply. It's completely Green and convenient to use anywhere, anytime.