1 Bottle 50ml Refill Ink for Refilling Inks Whiteboard Marker Pen Black Red Blue

Features: Ink with bright color, easy to dry. The color is not easy to fade. Add this ink in whiteboard marker pen, the marker pen can be reused. Which is economical. The mouth of the ink bottle is special, can avoid leaking when adding ink. which is convenient and easy to use. Suitable for various whiteboard pens. It is a good choice for your friends and yourself.