Retain original color: 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, make your home look more net 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 viewing 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 can be safely applied for kitchen, bathroom, shower stall, porch, patio, wall, patios floors and many other dirty tile areas, just follow the grout lines to paint, it works on epoxy grout, mortar joints, any grout areas that are starting to get a little dirty and covered in mildew Quantity per package: there are 6 pieces of grout restorer pens in the same color with replacement nib tip, these tile repair tools would help enhance the beauty of your home decoration, enough quantity to use and clean replace, you can also share with friends or others Color:Dark Gray Features:Wide application:Grout restorer pen lines dry quickly, just follow the grout lines to paint, it works on epoxy grout, mortar joints, any grout areas that are starting to get a little dirty and covered in mildew, can be applied for bathroom, kitchen, living room, bedroom, wall, floor, windows, etc. How to use:1. Shake well before serving.2. The tip of the pen is pressed vertically until the ink just flows.3. Wipe the space and dry before use.4. Start marking along the line of the tile.Specifications:Pen tip size: 4.5mm Pen Size: 15mm in diameter, 140mm in length Color: as the picture shows Package includes:6 x Tile Grout Pens Sold by Briday Store