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 37 stay-bright colors. Cool Assorted 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. 50% recycled fiber content and recyclable.