Specification: Model: SP-110 Color: Yellow Length: 14cm Material: Oily ink  Usage: 1.Shaking the paint pen before using. 2.Pressing the nib for releasing gases inside the pen. 3.Pressing the nib for several times.  Caution: 1.Do not burn-even when empty. 2.Inks are conforming to the EN71-3 and ASTM D-4236 approved. Inks are comply with the European union-RoHS directive.<br> Package Include: 12x Yellow Drawing Pen