Krystal Seal self-sealing art, print, and photo bags make protecting artwork easy and worry-free. Artwork simply slips into the bag and is ready to store in a flat file, portfolio, print rack, or storage box. Each bag features a convenient resealable flap. They are perfect for storing prints, drawings, watercolors, and matted or mounted artwork in a variety of sizes. These bags are archival, crystal clear, and made of 2 mil Polypropylene. They provide a professional finish to presentations and are perfect for home, gallery, and outdoor shows.