Paper Accents glassine paper is acid free, lignin free, buffered and archival quality. This translucent, delicate paper with a shiny finish is air-, water-, and grease-resistant. Use it as a release liner or a layered page in your books to protect pages when adding illustrations. It's also recommended for protecting the surface of stored acrylic paintings or other art work. These acid free pages are perfect for storage and separation of insects, stamps, or other collections.Details:White12" x 12" (30.48cm x 30.48cm)30 lb (81 gsm)25 sheetsAcid and lignin freePaper