Rainbow Chalk 15mm Grout Pen Tile RestorerWater ResistantAnti-Mould Grout Cleaner & Recolouring Pen For Kitchen & Bathroom TilesBlack from B&Q

Rainbow Chalk

Black Grout pens are designed to Restore and revive the look of black tile grout Quick and easy to use and do it yourself Change Colour of your Tile Grout Anti-bacterial agents help prevent mould from re-appearing Ideal for floors & walls in bathrooms and kitchens, Weight: 0.1984160358 pounds, Manufacturer: Rainbow Chalk Markers Ltd