Features: 32k 16k A 5 A 4 Sketchbook features practical loose leafs design with 160GSM acidfree paper, for sketching, painting, and mixed media projects while ensuring tear resistant durability for long artwork. The spirals bounds sketchbook includes removable from 160GSM paper, optimized for pencils, charcoal, pastels, and light washes without bleed through or buckling. Perfect for art students, hobbyists, and professional creatives seeking sketchbook for classroom assignments, outdoor inspiration, or studio experimentation with various dry/wet techniques. Use this portable drawing pad for sketching, nature journaling, classroom note taking, or family art, adapting seamlessly to home, travel, and workshop environments. Environmentally artists will appreciate the FSC paper and smudges resistant surfaces, combining friendly materials with professional performances in lay flat design. Specifications: Materials: Paper Size: as picture show Type: 32K/16K/A 5/A 4(optional) Package Includes: 1PC Sketchbook note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.