This sketch paper is lightweight (8lb.) yet strong, and semi-transparent yellow in colour. It is ideal for layouts and preliminary drawings. Great for pencil, charcoal, soft pastel and felt tip markers. This product is a must for designers, architects and artists alike. Ideal sketch paper for engineers, architects, and illustrators. Fortified to withstand considerable handling, transparent with 4 sheet overlays. Available in rolls only. 8lb, smooth. Creative Process: Stage 1 Concept.