Heavyweight 100% vat-dyed sulphite with longer, stronger fibers. Tru-RayÂ® 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. Each pack includes 50 sheets. Each sheet measures 9" x 12". Bundle includes 10 packs for a total of 500 sheets.