7 1/4″ Silver Comic Bags Mylar 2 Mil. BCW Brand Case (500)

10 Packs of 50 BCW Silver Age Comic Book Mylar Bags Sleeves 2 mil – 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 adhereto items placed inside it. It is a sturdy film that beautifully displays, timelessly protects and gives extra support to fragile documents.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. – Made of Archival Polyester (Mylar ) – Fits standard Silver Age Comic Books – 2 mil material thickness – 1 1/2 inch flap for closure – Crystal clear – Protects for 100’s of years – Strength is 10 times that of polyethylene – Use with BCW Silver Extenders — Dimensions – Size 7 1/4 x 10 1/2