This heavyweight paper is 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. This assorted cool colors package contains 10 colors: blue, brilliant lime, dark green, festive green, light green, lilac, royal blue, sky blue, turquoise and violet. Acid-free for less fade and archival quality and 50% recycled fiber contents. Details:Assorted colors12" x 18"50 sheets per pack3 packs per bundle150 sheets total10 colors per packageFade-resistantAcid-freePaper