Item Type: Mixed Media Sketchbook_x000D_ Material: Acid Free Paper 1Acid Free Paper: This mixed media sketchbook adopts acid free paper material, thick and heavy, good for use with wet and dry media. 2Wide Application: These artist papers are suitable for graphite pencils, markers, line pens, watercolor paints, acrylic, pastels and charcoal. 3Spiral Binding: This watercolor sketchbook features double spiral binding, which is strong and durable, easy to use. 4Hard Backing: This watercolor paper sketchbook adopts thick and hard backing, offering stable and comfortable support for your creation. 5Perfect Gift: These drawing papers are perfect gift for artists, designers, fashion designers, cartoonists, photographers, amateur enthusiasts, kids and beginners.1 x_x000D_ _x000D_ MixedMediaSketchbook