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8-Color Press Type Liquid Chalk LED Fluorescent Pen Glass Pen
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- Blackboard pen (liquid chalk) is made of PP material, which is not easy to crack. The ink has passed ASTMD4236,EN71 certification, and is made of non-toxic and environmentally friendly special alcoholic ink formula. It is made of polyester fiber nib (pen tip), suitable for whiteboards, blackboards, special office stationery for writing on green board and glass lamp board. The ink color is bright, easy to wipe, leaving no trace, easy to write and durable, safe to use and dust-free, pollution-free, smooth and smooth to write, bright in color and guaranteed in quality. Applicable to all primary and secondary schools, colleges and universities, all kinds of training institutions, school teaching materials necessary teaching tools; Please cover cap of a pen after use
