All of our backing boards are .24 point thick. It is the better backing board than anyone else in the industry. They all have a gloss coat on one side to neutralized the acid on the backing boards so it does not damage your comic book. Correct Term is ACID NEUTRAL.
Any Backing Boards that have a gloss on them does NOT mean that they are Acid Free (No matter what anyone else says or advertises it). There is simply no such thing. However, these backing boards are good for short term storage or it might last longer as long as you keep them in a safe environment.
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