Light GrayKeep the color of Original: Renovator Grout Markers help cover stained joints between tiles, restore or change the color of your tile grout lines, and prevent them from staining further, give your home a cleaner look Restores surface clean: grout repair lines dry quickly, will cover stained joints between tiles and renew the surface after painting , leaving them clean and protected, giving you a different visual experience of your home Quality material: each grout tile pen is mainly made of water-based materials, safe and non-toxic, harmless to children and pets; The size of the wall grout pen measures approx. 15mm in diameter and approx. 140mm in length, easy to hold For home decoration: the grout restorer pen is safe to apply for kitchen, bathroom, shower stall, porch, patio, wall, floors and many other dirty tile areas, just follow the grout lines to paint, it works on the epoxy grout, mortar joints, any areas of grout that are starting to get a little dirty and covered