1. 
   1. Metal rounded edges, fine workmanship, no burrs
   2. Double-coil binding, smooth and sturdy page turning, 360 degree page turning
   3. PVC bookmark, easy to find and mark
   4. 100g high-quality double-gum paper inside, smooth writing, not easy to bleed ink
   5. Material: metal double coils, 100g double-glue paper inner pages
   6. Date: January 2025-December 2025
   7. Number of pages: 71 sheets/142 pages
   8. Size: about 21.7 x 15.8 x 1.5cm
   9. Weight: about 338g
   

Specification: