1Color oily marker pen inks are available in different colors for you to choose 2Used for marker pens, used when the ink is run out, so that the marker pens can be reused to avoid waste 3The bottle body is a transparent plastic design, you can see the color inside, easy to distinguish and not easy to confuse 4Marker refill ink is fun, safe, easy for you to use, fade resistant and waterproof 5Oil-based ink is suitable for marker pens, poster pens, etc., very practical and convenient
