Features: Thick paper prevents inks bleeding through and withstands vigorous sketching, making this twin wire binding sketchbook great for smoothly drawing with watercolor markers, colored pencil, acrylic paint pen, and mixed pigments. Specially coated smooth surfaces pages ensures effortlessly gliding for pencils and pen, features 90 Sheets (180 Pages) artist grade 120gsm paper that resists tearing while maintaining consistently texture during detailed illustrations. Suitable for students documenting visual journal, sketchers capturing outdoor scenes, and creative professional requiring portable notebooks for spontaneous inspiration. Use during coffee shop brainstorming, travel sketching, nature inspired painting trip, or studio project requiring bleeding resistant pages that handle watercolor washes and inks crosshatching seamlessly. Combines with thick paper versatile functionality as travel sketchbook, journal, and notebook. Specifications: Component: Paper Color: Black (White Inner Page) Size: Approx. 21x14.8cm/8.26x5.82in Weight: Approx. 290g Package Includes: 1Piece Sketchbook note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color