1、Acid Free Paper Material: The drawing paper is made of acid free paper, which is white, thick, strong, glossy and durable 2、Glossy Writing: The paper in the sketch books is very beautiful and glossy when drawing, and the paper can also be easily torn and used alone 3、Spiral Binding Design: The upper of the sketch books has a strong spiral binding design, suitable for left handed and right handed people, providing better page turning effect 4、Hard Bottom Pads: The hard cover of the blank sketchbook is made by hand, these hard bottom pads all help protect your artwork 5、Scope of Application: The sketch paper is suitable for adults and children. Can be used in most media, including all dry media such as charcoal, pencil, some water color, acrylic paints, inks, etc 1 x Sketch Books Item Type: Sketch BooksProduct Material: Sketch PaperApplicable Age: 8-50 Years OldProduct Structure: Upper Spiral Circle