Quick and easy access to your items makes the PolyZip Envelope from Itoya unlike any other storage envelope. Simply slide the inovative Zip closure to effortlessly open and close the PolyZip Envelope. Once sealed, the unique PolyZip design protects your materials from the elements, forming a dust and water resistant seal unmatched by traditional paper and poly envelopes. Ideal for carrying Documents, Reports, Presentations and Catalogs. Perfect for storing and organizing as well. The clear front pocket allows for a seperate area to secure a cover sheet or routing slip. The PolyZip envelope is available in both verticle and horizontal formats for ultimate flexibility. The clear design allows easy, see-through identification of contents while the black and silver colors provide opaque protection to keep materials out of sight and free from light. Durable polypropylene construcion. Archival safe.