Check the listing for details. Silver Age Mylar Comic Bags (50) - Comic Clear - RESEALABLE Closure Type. Listed at 22.49 USD. 50 crystal clear, RESEALABLE Mylar ArchivaLite Comic Bags per pack. Comic Clear ArchivaLite Mylar bags are made of 100% archival, acid-free and completely transparent PET plastic. They will not discolor over time or absorb off-gassing from comics as they age. Mylar bags are rated for at least 150 years of archival storage by the Library of Congress. If you currently use MyLite2 bags, these new ArchivaLite bags are a more affordable alternative. Identical to MyLite2 "Standard" sized bags, but at a more affordable price point. Comic Clear Silver Age ArchivaLite Mylar comic bags are made for comics produced between approximately 1962 - present. Closure type: Resealable strip (on back of bag, not on flap)Quantity: 50 bags/packDimensions: 7.25" x 10.5" with 1.5" flapThickness: 2milMaterial: archival, acid-free PET plastic