These premium sketchbooks have 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.Details:Black poly cover9" x 6" (22.8cm x 15.24cm)3 sketchbooks75 perforated sheets per sketchbookSpiral bound70 lb. heavyweight paperAcid-free, lignin-freeIdeal for sketching and drawing with dry media