Premium sketch book with a durable black poly cover and back Each book contains 75 sheets of heavyweight acid free drawing paper The spiral binding lies flat for comfortable drawing and sketching Ideal for sketching and drawing with dry media Sheets are perforated for final art Acid free Apack of 3 books Features . Poly Cover Sketch Book Heavyweight. 3 Each. 75 Sheets Specifications . Size 9 x 6 in . Weight 3 0003 lbs