100% sulphite - a longer, stronger fiber Tough enough for scoring, folding and curling without cracking and tearing. Fade-resistant colors keep art projects bright and fresh. Acid-free - built to last for many years with proper care. Greener choice - contains 50% recycled content. Tru-Ray (R) 50% Recycled Construction Paper, 12in. x 18in., Dark Brown, Pack Of 50 is one of many available through Office Depot. Made by Tru-Ray.