... tightly, so as to keep the floor clean. Plastic wrap(the film) have advantage of environmental protection, good ... and cut-off the film, is same as plastic packing sealing machine's principle. It adopt Heating ... environmentally, safe for use.A roll of film can be used 600 times, no need to change ... using, how long is the shoe, how long it can be pulled. well-fitting, comfortable, beautiful and decent. ...