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. Acid free for less fade. 50% recycled fiber content and recyclable. Standard Assorted package contains 10 colors: Black Blue Dark Brown Festive Green Orange Pink Red Sky Blue White and Yellow. 12" x 18". 50 sheet pack.