This is a premium sketch book has a durable black poly cover and back. Each book contains 75 sheets of heavyweight, acid-free drawing paper. The spiral binding lies flat for comfortable drawing and sketching. It is ideal for sketching and drawing with dry media. The sheets are perforated for final art. Acid free. UCreate is part of the Dixon Ticonderoga family of products which teach, learn, and create. Find classroom art supplies such as crayons, paints, markers, pencils, construction paper, and crafts as well as fine arts supplies including watercolors, acrylics, oils, pastels, brushes, and papers.