Pacon tru-ray construction paper, 76 lbs., 12 x 18, yellow, 50 sheets/pack 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. larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.