65lb. 100gsm Acid Free & Unlined Plain Paper. Pocket Sized: 3.5x5.5 (8.9cm x 14cm). Leather-like black cover material: does not leave finger marks! Embossed Daler-Rowney logo on back cover. Perfect pocket travel notebook for sketches on the go; recommended for pen, ink, and all dry techniques: great value for the money.