Features: 1.With loops, you can turn the pages spirally, you only need to turn the page when you finish drawing one and you can continue to draw the second one without tearing it off. 2.The paper layer contains waterproof material while the back of the paper is impervious, which can be painted multiple times. And the brush strokes are clear, both sides can be painted, also the color is uniform and the preservation is good. 3.Double?sided painting can be painted with bright colors as a choice for animation, interior, clothing designs, etc. 4.Such kind of drawing book is suitable for daily painting, carrying out, painting and sketching, etc. 5.Meanwhile, there is a accuracy‑pressed cardboard on the back, which can be used as a pad, no longer dependent on the easel and you can paint anytime, anywhere. specification:Item Type: Drawing book Quantity: 4 books (32 inner pages each) Function: Marker pen drawing book, the paper layer contains waterproof material, the back of the paper is impervious, painted many times, the brush strokes are distinct, the double-sided painting can be painted with bright colors, it is the choice of animation, interior, clothing designs, etc. Suitable for daily painting, carrying out, painting and sketching, etc. Size: Approx.21.5 x 15cm / 8.5 x 5.9in PackageList:4 x Drawing Book