◆ Package quantity: 20 pieces / box.
◆ Instructions: (1) shake up and down for 3 ~ 5 times;
◆ Press the pen tip on the paper and press it gently up and down until the ink penetrates the fiber pen head; ◆ Mark number: gently press the pen tip to keep the valve in the ink pipe partially open, so that an appropriate amount of ink can penetrate the pen head through the valve to realize the mark number of the ear mark. When writing numbers or letters, control the force according to the required thickness requirements to achieve the effect. At the same time, the pen tip needs to be pressed properly to get eye-catching ink.
