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. Its superior fade-resistance keeps projects brighter and fresher longer. Available in 38 stay bright colors. 50 sheets per package. Acid free for less fade. 50% recycled fiber content and recyclable. Sheets measures 18" x 24".