Laundry anywhere : Dokodemo Sentaku Pack

You can wash, rinse and dry your laundry anywhere as long as you have clean water to use. The new zipper, which is hard to open from the inside but easy to open from the outside, makes it possible. Directions are as follows. Put your laundry, detergent and water in this pack. Zip both top and bottom, and knead them. Open both side of zippers run the water from the top and drain from the bottom. Zip only the top and roll up to squeeze dry.