I have at home a hundred windows, one can understand the interest that I have to find a solution. This material, lightweight, portable, efficient, considerably lightened me the task. Easy to learn, you can easily start to make two or three windows at their own pace, or if you are fit, make a score ... and without getting tired. The device is lightweight, it was well in hand. A flat, the way it is held that sometimes the body-tank detaches. Okay but it happened several times. The can-cleaner is also easy in hand, however, if one looks to the side, it lets the liquid. The device supports quite put it there another product that delivered with the device. The fabric strip washes under the tap. With this model, window washing is a pleasure, that of seeing its windows cleaned perfectly in no time!