This functional Plan protection bags made of Polyethylene are multifunctional, they protect your construction plans and drawings against pollution of any kind. The slide mating engagement allows quick and easy handling and protects also against moisture and rainy weather. Your plans and drawings stay clean and always easy to read. An advantage is that you need fewer copies of the documents, so money can be saved and construction errors can be minimized. Furthermore, these protection covers can be used during on travel. So hikingmaps and charts are optimal protected against atmospheric influences.