tips: white Bibi water material mainly consists of pigments and alcohol made from alcohol volatile, easy to clean, dry color Guangyan, for the same reason, the note book written after the sleeve cap should be in use, in order to avoid the evaporation of water to make pen whiteboard pen soon after use.

Features: 1, suitable for the surface of the writing board, glass, leather, rubber, metal and other objects, chalk is alternative, realize new patent products in clean teaching.

2 unique ink formulation non-toxic, environmental health, colorful, easy to dry erase, leaving no trace. The specially made fiber pen tip is smooth and even, the writing is smooth, and the writing length is long, and the 100% can be used completely.

3 suitable for offices, factories, schools, hotels and other places.