【Professional Sketchbook Series | Adapts to Multiple Specifications for Creative Needs】

A selection of four classic sizes, meeting the needs of different painting scenarios!
**Portable Sketch Book** (102x141mm): 60 sheets per book, lightweight and portable, 480 books per box, suitable for quick notes for daily inspiration and outdoor sketching.
**Standard Practice Model** (127x185mm): Balanced Proportion Design, 60 sheets of high weight paper, 240 books per box, ideal for student training camps and basic practice.
**Advanced Creative Model** (173x250mm): More creative space, 60 pieces of delicate texture, 160 books per box, compatible with watercolor, sketch and other media expression.
**Master Professional Series** (208x286mm): Full-size sheet, 60 sheets of thick paper, 120 books per box, meets the needs of professional requirements such as fine portrait and architectural sketches.

The entire series is made from eco-friendly paper, which is smooth, durable, and has a delicate color display. The standard binding is 60 sheets, which is durable and less likely to dislodge pages. We support bulk customizations, with a step-like packing specification (120-480 books per box), which helps reduce logistics costs and facilitates efficient purchasing for art studios and bookstores. With professional tools, we safeguard every inspiration!

Note: The product number 8800-8813 is optional and can be matched according to the specifications required.