Features 1. **Waterproof & Mildew Resistant**: Our tile repair pen is designed to withstand moisture, preventing mildew growth and ensuring long-lasting results in wet areas like bathrooms and kitchens. 2. **Fast Drying Formula**: Enjoy quick repairs with our fast-drying ink that allows you to beautify your tiles and grout without waiting long. Perfect for busy households! 3. **Easy Application**: The user-friendly design makes it simple to apply. Just clean the area, apply the pen, and let it dry. No mess, no fuss! 4. **Versatile Use**: Ideal for ceramic tiles, marble, and mosaics, this pen effectively fills gaps and enhances the appearance of various surfaces, making it a must-have for home improvement. 5. **Durable & Wear-Resistant**: Formulated with high-quality pigments and binders, our pen ensures a durable finish that resists wear and tear, keeping your tiles looking fresh and new. Our tile markers contain pigments, fillers and binders. It can be operated waterproof and mildew resistant, wear-resistant, fast drying, resulting in small gaps, no superfluous debris, easy to operate. Its use method is very simple: 1. Clean the dust in and around the tile seam; 2. Open the cap of the pen and evenly apply the caulking pen to the crevices of the tile; 3. Let it dry for a few minutes. Ceramic tile sewing pen can beautify ceramic tile, marble, Mosaic and other gaps.