Grout Pen Ivory Tile Paint Marker: Waterproof Grout Paint, Tile Grout Colorant a
USE ON UNSEALED GROUT ONLY: GROUT PEN may not bond to sealed grout. Compatible Grout Type For Use on Unsealed Grout Only For Use on Unsealed Grout Only For Use on Unsealed Grout Only For Use on Unsealed Grout Only For Use on Unsealed Grout Only For Use on Unsealed Grout Only For Use on Unsealed Grout Only.