Use for Dell/ Silver Comics 1950s-1960s. ARCHIVAL POLYESTER (PET) (Mylar) is an inert material of the highest clarity. We use DuPont inert Melinex® or a suitable equivalent. Polyester (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. Used by the Library of Congress. Indefinite Storage. NOTE: If ordering ourINVISIBOARD® as a backing for this sleeve, due to the width of the sleeve we have created a special size backing KPETGS775M2. 7-1/2 x 10-3/8".
NOTE: If ordering ourINVISIBOARD® as a backing for storing National Geographic, use KPETGNG. 7-1/16 x 10".