Each sketchbook contains 60 perforated sheets of 73 lb heavyweight drawing paper, perfect for doodling, designing, and coloring. Its perforated sheets easily tear out so you can proudly frame or display your finished works of art. Its durable poly cover is bound with twin wire spiral binding to keep the paper from getting folded or crinkled. Its spiral binding lies flat for comfortable drawing and sketching, so you can take it with you anywhere! Acid free and lignin free, this white and black paper is ideal for drawing and sketching with dry media. This sketchbook of 9 inch by 12 inch, unruled premium drawing paper is the perfect blank slate for you to let your creativity reign. P38029-4115, 9 x 12 inches, 60 sheets with black poly covers.