This Ca-Mei notebook portfolio features  PU leather material, which comes with clip mechanism. Ideal for everyday use, whether at school, the office, or home, the portfolio not only provides a useful place to store forms and documents for easy access, but it also offers a conveniently portable, smooth edges and safe to use. High quality- Made of lightweight yet durable strong PU leather. Hard but not brittle, so a few drops on the floor won’t matter. Durable plastic board- Size of board: 230*180*20 mm. The portfolio offers reliable, long-lasting strength, and its size nicely accommodates letter-size sheets of paper. you’ll also love knowing it holds 80-100 sheets of A4 /letter size paper without dropping a single one. Clip mechanism- Each board comes equipped with a classic metal stain-resistant clip mechanism, which measures 5-3/4 inches wide and effectively keeps papers and documents securely attached. The clipboard can hold an ample number of sheets at a time. Stylish design- Low profile clip makes them easy to stack. Exquisite workmanship and practical design, compact, portable, light weight yet durable. Smooth edge- High quality metal bead prevent your file and safe to use. Customised colors- We provide different colors choice, so choose your favorite and clip your world in vibrant fun! Multifunctional- The clipboard works great for anything from medical forms to work applications or inventory sheets. Write comfortably from anywhere—no desk needed. Suitable for indoor or outdoor use. Also, with rounded corners and smooth edges, kids are safe to use these boards with reckless frivolity! Technological process- Prenatal test plate–Material cutting–Release of material–Glue–High frequency–Packing Quality control- Materials check&qualified- Workshop QC check- Production inspector check- Finished supervisor check- Warehouse manager check- AQL check