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. Color Wheel assortment is ideal for teaching color theory and color mixing and includes: Yellow, Gold, Orange, Festive Red, Holiday Red, Magenta, Violet, Purple, Blue, Turquoise, Holiday Green and Brilliant Lime. Acid free for less fade. Project instructions are printed on the back of the top sheet. Recyclable.