Heavyweight 100% vat-dyed sulphite with longer, stronger fibers. Tru-Ray® Construction Paper is tough enough to take scoring, folding and curling without cracking and tearing. It's superior fade-resistance keeps projects brighter and fresher longer. This Primary Assorted package contains: Blue, Festive Green, Scarlet, Yellow and White. Acid free for less fade. 50% recycled fiber content and recyclable.