blackboard pen green board pen dust-free liquid chalk

Product Features

1、Easy to wipe: Just wipe with a sponge, leaving no trace.
2、DIY has strong hands-on capabilities.
3、Color is bright and does not fade over time.
4、Environmental protection: does not harm the skin, does not contain toxic substances, will not produce dust.
5、The tip is imported.Material, durable for writing.
6、The pen uses a direct-fluid valve to control the on/off switch, and it comes with ball bearings inside.
7、Color:Regular colors, you can choose at will.。

8、Suitable for writing and drawing on green boards and blackboards; also can be used for graffiti on beer glasses, wine glasses, water glasses, glass cups, whiteboards, glass, mirrors, and other smooth flat surfaces.

9、The product offers superior value for money compared to similar products. It features a direct-flow ink system that allows for the reuse of liquid or gel ink.

10、Dust-free, healthy and environmentally friendly, without harmful substances to human health.Ingredients, has passed the European SGS authority environmental protection certification, can be used with confidence.

11、The pen uses a direct-fluid type valve to control the on/off switch, and it comes with ball bearings, a direct-fluid type, not a low-grade foam core pen.