ITEM NAME:8 Colors Watercolor Sketch Markers Art Supply Drawing Mark New Pen Ou Paint Description: material: plastic Size: about 140mm Refill: 1-4mm Color: 8 colors How to use: 1. Shake the pen tip up before each use 2. Press the pen to press the ink three times in a row. 3. Please close the pen cover immediately after use. Note: 1. It is well known that different computers display colors in different ways, and the actual project colors may differ slightly from the following images. Please ignore the size. Size may sometimes be narrower than the size we describe, and China's size is usually narrower than that of Europeans and Americans. Therefore, please allow 1-3CM to be different. 3. If you find it difficult to select a size, you can always.Shake the pen tip up before each use. It is well known that different computers display colors in different ways, and the actual project colors may differ slightly from the following images. 1 box of double line highlighter (8pcs pen).