Remarkable results: the gray grout pen dries quickly, covers dirty joints between the tiles and renews the surface after painting, makes it look clean and protected and gives you a different visual experience of your home. The gray joint marker is color-matched to the tile or stone and fits perfectly into the entire decoration style, making the joints look more uniform and cleaner. Safe material: gray tile marker consists of environmentally friendly materials that do not emit harmful substances and be safe for the environment and human health. The gray seaming stick has a high coverage and can cover the color at the bottom of the seam, making the seam effect more even and natural. Waterproof and weatherproof: The gray jointing stick is water and mold resistant and can environments remain dry to prevent the growth of bacteria and mold, can remain strong in humid environments and withstand various weather conditions such as rain, snow, ice, etc. The pen tip of the gray sewing pin is designed for good wear resistance and does not deform or damage even after repeated use. whether it's a large ceramic tile opening or a small stone opening, he can handle it without any problems. The gray sealing pen is simple and easy to use. You only need to apply the tip of the pen lightly to the opening. No special skills or tools are required. Wide application area: waterproof joint pin restoration pin point of the sealing pin is used for the even application of the sealant to achieve long-lasting results. The grout lines dry quickly. When painting, just follow the joint lines. It offers safe use for the kitchen, bathroom, shower cabin, veranda, terrace and many other areas with dirty tiles.