This is a quality sheet at a value price, perfect for the classroom. Every soft white sheet has a traditional laid surface that is excellent for charcoal, pastels, or other drawing materials. Recycled from 20% post-consumer and 80% pre-consumer materials, Blick Charcoal Paper is acid-free and pH-neutral , providing greater longevity and colorfastness. Each sheet measures 19" × 25" (483 mm × 635 mm). Paper is 70 lb (114 gsm) weight.