- Surface board by Korean orrugated iron or felt.
- 3 kinds: green surface board to write chalk, white surface board to write highlight, felt surface board to pin.
- The board has anti-glare.
- Iron frames powder coated, thick 50-70 microl, square pipes 40x40x1.2, steady structure.
- Move with wheels, can use both 2 sides.
- Convenient use in different spaces.