IIt's actually paper that has been run through sulfuric acidt's actually paper that's been run through sulfuric acid, leaving it just a really thick matrix of cellulose. Long story short, extremely thick paper without the wood pulp. Freezer paper is normal paper with wax applied to one
This was found with a google search. If it were me I would try to purchase some acid free paper that is used to store bridal gowns from a dry cleaners.