Ultimate Grout Pen: 20mL Waterproof Colorant with Wide Tip for Tile DIY Projects
20mL Waterproof Colorant with Wide Tip for Tile DIY Projects. USE ON UNSEALED GROUT ONLY: The GROUT PEN may not bond to sealed grout. The GROUT PEN lets you paint and recolor your grout effortlessly, bringing a bright and clean appearance to your tiles.