Features: 【Convenient to press the design】No need for cumbersome rotation, you can write easily with Unique press. It solves the problem of losing traditional pen covers and is suitable for students and office workers who need frequent records. 【Erasable Fluid Innovation】Use special Procedure Fluid to easily erase wrong writing and avoid paper waste. Especially suitable for draft creation and classroom notes that require repeated revisions. [Smooth writing experience] Neutral refill design ensures smooth and unimpeded writing every time. It solves the problem of ordinary pen lag and is suitable for long-term writing needs, such as exams or meeting minutes. [Environmental CompUniquent Safety] Use Ecologically friendly CompUniquents to reduce the burden on the environment. Suitable for users who pay attention to Nature Defense, while ensuring safety during use. [Various combination of four colors] A box contains four colors to meet different marking needs. Suitable for students and Specialists who need to classify and annotate in their notes, improving their study and work efficiency. Specifications: compuniquent: Plastic Size: Pen length is about 145mm. Practicality: It is suitable for students' classroom notes, office records, home writing and other scenarios, and is especially suitable for writing tasks that require frequent modification. Package Includes: Push-to-erasable gel pens x 4 pieces note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!