OEM Tru-Ray Construction Paper is made of heavy 76 lb. stock, designed for durability and versatility. This heavyweight, 100 percent sulphite paper is tough enough to withstand scoring, folding, and curling without cracking or tearing. Its superior fade-resistance ensures that projects remain bright and fresh for longer periods. Additionally, the acid-free material helps reduce fading, and the recyclable construction paper contains a high percentage of recycled fiber.