Golden State Art, Pack of 50 Acid-Free Crystal Clear Sleeves Storage Bags for 4x6 Framing Mats Mattes (4 3/4 x 6 1/2 inches)

["Reusable: Contains A re-sealable Adhesive Strip on the bags that you can easily take fine art out","Crystal Clear: They are crystal clear to ensure that your artwork is well preserved; Your picture mats, photos and cards will show the display effect clearly","Acid Free: Our bags are designed for keeping photos, document, paper or other important item from dust for A long time","Easy to Clean: Smooth and flat surface allows arbitrary graffiti; The marks and strokes can easily be wiped clean With A tissue or towel","Multi-purpose - These Sealed plastic bags are designed to comfortably fit picture mats, posters, cards, documents, paper, canvas and many other important articles; Protect the appearance of your articles from damage"]