BCW / Monster 1-GCSLV-M4 Comic Mylar Sleeves Graded 4 MIL 9 X 14 1/2
These 4 mil Comic Book Sleeves are made of Archival Polyester (Mylar), an inert material of high clarity. Mylar will not discolor, damage, or adhere to items placed inside it. It is a sturdy film that displays, protects and gives extra support to fragile documents. Mylar contains no dangerous plasticizers, slip additives, surface coatings, antioxidants, acid-hydrolysis. Features: Exterior Dimensions: 9″ x 14 1/2″. Made of Archival Polyester (Mylar). Fits Graded Comic Books. 4 mil material thickness. 1/2″ flap for closure. 10 pack.