BCW Current Comic Mylar Bags 4 Mil - Comics, Comic Books Archival Storage Collecting Supplies

These 4 mil Comic Book Bags are made of Archival Polyester(Mylar) an inert material of the highest clarity. Mylar will not discolor, damage, or adhereto items placed inside it. It is a sturdy film that beautifully displays, timelessly protects and gives extra support to fragile documents. Protects for 100's of years Resistance to moisture, insect attack, fungus, mold, mildew, acid, oils, grease, and solvents. Mylar contains no dangerous plasticizers, slip additives, surface coatings, antioxidants, acid-hydrolysis. This bag is a semi-rigid bag and does not require the use of a backer board. But if you do use a backer board be sure to only use certified acid free boards. 25 Bag(s) per Pack