Keep the original color: the renewing grout markers help to cover stained seams between tiles, restore or change the color of your tile grout lines, and prevent them from further stained, make your home looks more neatly Shake well before use and pr Restore clean of surface: the grout repair maker lines are fast-drying, will cover stained seams between tiles and renew the surface after painting, leaving them looking clean and protected, giving you a different visual experience of your home Plea Quality material: each grout tile pen is mainly made of water-based material, safe and non-toxic, safe for children and pets The size of the grout wall pen measures approx. 15 mm in diameter, and approx. 140 mm in length, easy for you to hold For home decoration: the grout restorer pen can be applied safely for kitchen, bathroom, shower stall, porch, patio, wall, floors, and many more dirty tiles areas, just follow the grout lines to paint, it works on epoxy grout, mortar joints, any grou ackage quantity: there are 6 pieces of grout restorer pens in the same color with replacement nib tips, these tile repair tools would help improve the beauty of your home decoration, enough quantity to use and replace, you can also share with friends