Durable type neutral pen

Sliding proof， easy writing

180 degrees of bidirectional rotation， convenient and more durable

Advanced spring double ball pen， no seal， no ink leakage， smooth， wear-resistant， anti collision

Pigment type neutral ink， clear handwriting， not easy to penetrate

Can be pasted on the desktop， wall， easy to use， easy to use.

The most suitable front， desk， office desk， really veryconvenient