Features: 1. This tile gaps pen has the excellent performances of waterproof, non-blackening, scrub resistance, and no color change. 2. It is suitable for the beautification of the gaps in tiles, marble floors, ceramics, glass, plastics, etc. as well as the repair of wooden furniture that is painted off, and the surface paint is scratched and damaged. 3. This easy grout sealer fast and is easy to apply. It's also safe for your pets and kids. 4. Please place it horizontally in a cool and dry place out of reach of children; cover the pen cap in time after use. 5. Instructions: Before use, shake the pen body up and down to mix the paint in the pen. Press the pen tip vertically up and down several times until the color material soaks into the pen tip, and then perform the beautiful seam, repair, and other construction operations. If the nib is not good during the application, press the nib moderately before applying. When the effect of one application is not good, you can paint several times to achieve satisfactory results. Specification: Material: Plastic Product Color: White, Gold, Silver, Black, Grey Product Size: 140mm Product Weight: 6g Package Included: 1 x Tile Grout Pen