Acid and lignin free; PH Neutral & Non Buffered - BRIGHT WHITE. TheGood Stuff. offering Archival Protection for Textiles, Clothing, Dolls & every sort of Collectible ~ I wrap my own vast textile collection in the paper I offer. 35+ years & no problems!! May be used as interleaving for Photographic Prints & Paper Collectibles ( I collect antique children s books) Passes the TAPPI T444 silver tarnish test - perfect for Silve/Silver Plate & Ornaments (my mother had an incredible collection of metallic ornaments, fruits & veggies) Smile. 25 Extra Large Sheets 24" by 36" - premium flexibility with maximum protection! In an Archival enclosure, use what you need and save the rest! Vist my web site for more tips on protecting & archiving your family teasures ** DUE to shipping/transportation issues ALL of my Archival Acid Free Tissue sent with a mosture absobing disicant to ensure my product arrives undamaged despite various Amazon warehouse conditions and variations in end delivery services. . Smiles, Ann Christine-TheLinenLady