The answer to this question is a lot more complicated than you would think.

http://www.cbr.com/marvel-comics-how-many-pages-long/

Looking for sleeves for your oldest comic books? We stock them in polyethylene, polypropylene, and polyester. We manufacture our polyester sleeves right here at Bags Unlimited, so if you need a size not listed, give us a call. https://www.bagsunlimited.com/…/comic-mylar-polyester…