Water-based Erasable Marker Color Blackboard Pen $ 4.67 Product information: Specification: 13.5cmX1.8cm Shell material: plastic Scope of application: whiteboard Occasion: Fair Packing method: bagged Line width: 2.8 (mm) Features: 1: Polyene pen holder, reducing ink evaporation, can be stored for a long time 2: Writing is easy to erase, bright color, wear-resistant, etc. The scope of use includes: whiteboard Packing list: Color pen x1