Heavyweight 100% vat-dyed sulphite with longer, stronger fibers. Tough enough to take scoring, folding and curling without cracking or tearing. Superior fade-resistance keeps projects brighter longer. Acid-free for archival quality. Sheet/Roll Size: 18 x 24; Paper Basis Weight (lb): 76 lb; Paper/Media Color(s): Assorted; Color Family: Multicolor.