MYLAR SLEEVES Standard/Regular Comic -25 (7 1/4 x 10 1/2)

The choice of pros. Mylar is widely accepted as the best way to store and preserve valuable collectibles. Unlike plastic bags, Mylar will not darken, yellow or potentially put harmful materials into the product it is protecting. The U.S. Library of Congress uses only Mylar to preserve paper documents. 4 mil. We sell them in packs of 25.