Black Acid Free Paper 72lb Pkg 20 Sheets 17 X 14" - Prestige black album paper is 72 lb. acid-free paper. The acid free paper is available in sizes to fit most archival sheet protectors, archival photo albums, archival protective sleeves and more. The black acid free album paper is perfect for safely mounting artwork, documents, photographs safely for viewing in photo albums, presentation cases, and more. Prestige acid free paper black 72lb comes in packages of 20 sheets.