1. Fiber tip, waterproof and quick-drying, not easy to fade;

2.Anti-mildew, waterproof, moisture-proof, anti-dirty;

3.suitable for blackened tile gaps, blackened corners and gaps, material gaps falling off, etc.

Instructions:

1.Clean up the gaps in the tiles for easy coloring.

2.Shake the pen body up and down before use to make the ink in the pen tube evenly mixed.

3.Press the pen tip with your hand for a few second