The Mont Marte Black Paper Sketch Pads come with 25 sheets of 140gsm textured black paper that is free of acids. A vast array of drawing tools and craft projects can be utilized with black paper, which is an incredibly adaptable medium. The extremely fine tooth of this paper makes it ideal for use with colored pencils, white charcoal, oil pastels, hard pastels, and soft pastels. A 2 mm thick backing board supports the tape-bound sheets. The inside cover of Mont Marte Black Paper Sketch Pads provides helpful advice for beginning artists on how to draw on black paper. ASPECTS 25 sheets of 140gsm 2mm acid-free backing board Inside the cover, drawing tips In both A4 and A5 sizes.