Draw more with these pocket sketchbooks. They're made with super rugged covers and saddle sewn binding with black thread. The inside comes with blank mid-toned tan paper. The paper has the perfect amount of smoothness and tooth for multiple uses including pencil, pen and brush. Measuring 3.75"x 3.5" they are the perfect size to fit your medium Sketch Wallet or to carry with you. The square format is great for Instagram! Books contain 60 pages (30 sheets). Refill pack comes with 3 books.