3 x Grout Pen Light Grey Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Light Grey Narrow 5mm TipGrout Pen Light Grey Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen Light Grey Narrow 5mm Tip RestoresTilegroutandleavesthemlookingcleanandprotected. Features: Restores White Tile Grout and leaves them looking clean and protected Your order will usually arrive around 7 10 days from purchase. UK supplier Change Colour of your Tile Grout Lines Anti bacterial agents help prevent mould from re appearing Ideal for floors &