此款超级酷炫的可折叠三折笔，创意设计，好玩又好用，优质PP材质，笔杆色彩鲜艳。此笔可以发光，晚上写字酷的不行；另外隐形消字笔写出来是看不到 只有灯光照射之后才会显示出来。

No light-emitting state can be folded removable in this case.

Turn on the white switch on the pen and then instantly turn the colored light pen on the tall.