Daler Rowney Red & Yellow Sketch pads have a good quality, medium grain, white paper. These all-purpose pads containing 150gsm paper are good basics for artwork at reasonable prices. Red & Yellow sketch pads are ideal for sketching and drawing with pencils, pastel and pens. Gummed pads of 25 sheets each.   Quality/Recommended: Recommended for professional artists and art students. Weight: 150gsm Acid free: Yes Made from: 100% alpha cellulose offering the purest cellulose, highest quality. Colour: White Ideal for: Ideal for pencils, pastels and pens. Texture: Smooth Brand: Daler-Rowney Max Format (cm): 59.4 x 42 cm (A2) Minimum format 29.7cm x 21cm (A4) Max Format (inches): 23.2 x 16.5 inches (approx.) Minimum Format (inches): 11.7 x 8.3  inches (approx.) Sizing: Internally sized. Mould made: Made using a Fourdrinier Machine. A technique from the 19th century, allowing constant quality of the paper.