BCW Golden Comic Extenders

200 extenders per pack - Certified Acid Free - Independent Lab Tested - Slows the aging process in your comic - 10-mil sheets are coated on both sides - Two sheets are placed inside the comic Dimensions: 7 1/4 x 10 inches The BCW Comic Book Extenders will help prevent yellowing, retards the aging process, and absorbs and neutralizes the contaminants in comic book pages. These 10 mil sheets go inside the book, next to the paper and ink 1/4 of the way in from the front and back covers, only two sheets per book are necessary!