Whiteboard Marker Ink

Specification: 1Box
Color: Black, Red, Blue,
Net contents: 900ml
Size: 3.5*13.5cm
Scope of use: Whiteboard marker refill
How to use:
1. Open the back cover of the whiteboard marker,
2. Add an appropriate amount of ink,
3. Tighten the back cover of the whiteboard marker.
Warning：
After use, please tighten the cap tightly, seal and store, and do not close to the fire source.