It softens the slide marks and provides a snug fit to any uneven surface, curved or matte surface, but also enhances adhesion. Includes brush for convenient work. How to Use: 1. Apply the mark fit to the part that you apply the slide mark. 2. Apply the mark fit and stick the slide mark. 3.Apply a little water to your finger and dilute the mark and move it to the correct position. 4. Use a soft cloth or cotton swab to squeeze out air bubbles inside the mark. 5. Reapply the mark fit over the mark and use a soft cloth or cotton swab to blend the surface of the model. 6. Do not touch your hand until the mark is completely dry.