How do the different types of comic book bags (e.g., polyethylene, polypropylene, and Mylar) compare in terms of durability and protection?

How do the different types of comic book bags (e.g., polyethylene, polypropylene, and Mylar) compare in terms of durability and protection?
Admin on April 06 2025 at 08:10 PM in Comic Book Supplies & Accs
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