Features 1. **Waterproof Formula**: Specially designed to maintain waterproof performance, ensuring your tile gaps stay protected from moisture and damage in kitchens and bathrooms. 2. **Durable Colorfast**: Made with high-quality epoxy resin, our tile seam pen resists color change over time, keeping your tiles looking fresh and beautiful for longer. 3. **Easy Application**: Simply clean the area, shake the pen, and apply. The user-friendly design allows for precise filling of gaps without mess, making repairs quick and hassle-free. 4. **Versatile Use**: Perfect for high humidity environments, this pen is ideal for kitchens, bathrooms, and any tiled area that requires a neat finish and effective sealing. 5. **6 Pack Value Set**: Comes in a convenient 6 pack, ensuring you have enough product for multiple repairs or projects, providing great value for your home improvement needs. Our ceramic tile sewing pens contain epoxy resin, hydroxyethyl cellulose, calcium carbonate. It is not easy to change color and can maintain a beautiful effect. Suitable for kitchen, bathroom and other high humidity environment. Its use is simple: clean the dust and loose matter around the tile gap, gently shake the repair pen to mix the liquid, and press the tip of the repair pen vertically several times until you see the liquid flowing to the tip. Gently move the tip of the pen along the gap of the tile so that the gap is evenly filled and wait for natural drying. And can be specially designed for waterproof, can effectively maintain the waterproof performance of the tile gap.