With longer, stronger fibers, Tru-Ray Construction Paper is tough enough to take scoring, folding and curling without cracking and tearing. Its superior fade-resistance keeps projects brighter and fresher longer. Details:Available in multiple colors9" x 12"10 packs (50 sheets per pack, 500 sheets total)Heavyweight 100% vat-dyed sulphiteFade-resistanceAcid-free