Water resistant and quick drying pigments precisely conceals discolored seams while resisting, great for restoring bathroom / kitchen ceramic Suitable for detail oriented homeowners, enthusiasts, and anyone seeks efficient home maintenance supplies without professional tool Outperforms traditional grout products with faster application and precisely tip control, professional result for ceramic, porcelain, and stone surfaces maintenance repair shower wall, kitchen backsplashes, or floor cracks using this repair marker pen designed for quick touching up in prone areas rapid drying water resistant resorting with this grout pen, featuring advanced inks that sets in 5 minutes and withstands humid environments for 6+ months of long time cracks protect