Mont Marte Signature Sketch Pads have 25 sheets of 150gsm, acid free, smooth textured paper. This paper is a wonderfully versatile medium which can be used with a huge range of sketching media and craft projects.This sketch pad's paper is a crisp, bright white and has very fine-toothed texture. The sheets are tape bound which makes removing them quick and easy. The sheets are also supported by a 2mm (0.08in) thick backing board. Practical drawing tips are included on the inside cover.