COMIC GOLDEN MYLAR 2M 8x10.5 Made Of Archival Polyester (Mylar) Fits Most Golden Age Comic Books 2-mil Material Thickness Crystal Clear Protects For 100's Of Years Strength Is 10 Times That Of Polyethylene Use With BCW Golden Extenders Exterior Dimensions: 8 x 10 1/2 & 1 1/2 Inch Flap For Closure 50 Bags Per Pack Weight: 1.01 lbs These 2 mil Comic Book Bags are made of Archival Polyester (Mylar) an inert material of the highest clarity. Mylar will not discolor, damage, or adhere to items placed inside it. It is a sturdy film that beautifully displays, timelessly protects and gives extra support to fragile documents. ADDITIONAL INFORMATION: o Other Information [JPG] o Full Image [JPG]