Rainbow Chalk Markers Limited

Brighten and refresh grout with precision Refresh tile grout with a clean ivory tone using the Grout Pen Ivory from Rainbow Chalk Markers Limited. This non‑toxic, water‑based colorant is designed to cover grubby grout stains and restore a uniform look along tile lines in...

Refresh tile grout without heavy scrubbing Rainbow Chalk Markers Grout Pen White is a water-based, non-toxic colorant designed to recolor grout lines and revitalize tired tile spaces. The 7mL pen delivers a clean, bright white that can help grout lines look sharper and more...

Vibrant, washable color for glass and more Bring signs and art to life with the Glass Pen Window Marker from Rainbow Chalk Markers Limited. These liquid chalk pens glide smoothly across glass surfaces, windows, mirrors, and whiteboards, delivering bright, long-lasting color that can be...

Refresh and revitalize tile grout in minutes Rainbow Chalk Markers Limited presents the Grout Pen Black, a waterproof tile grout paint colorant and sealer in a compact 7mL bottle. The water-based, non-toxic formula delivers a bright, uniform shade across grout lines without harsh scrubbing....

Overview Refresh the look of tile grout in minutes with the Grout Pen Grey from Rainbow Chalk Markers Limited. This waterproof tile colorant and sealer brings a bright, uniform hue to grout lines, helping bathrooms, kitchens, and other tiled spaces look cleaner and more...