Copic Sketch Book features a high-grade Premium Bond Paper. This medium weight paper with super-smooth texture is particularly great for color blending, gradients and special effects. Since its launch, "Premium Bond Paper" receives support from Copic users from a wide range of fields such as manga, illustrations, design and craft. Every book has a stylish pearl-white board covers, for added work stability. Available in two sizes S size is convenient for carrying, and L size is ideal for drawing a full-scale artwork. Copic Sketch Book is spiral-bound and contains 30 sheets of paper.