Window Markers – Pack of 6 Assorted Colours Non-Permanent Markers for Glass, Windows & Other Non-Porous Surfaces Bring creativity and colour to your glass surfaces with this vibrant 6-pack of Window Markers. Perfect for home, school, or office use, these markers write smoothly on glass, mirrors, whiteboards, and other non-porous surfaces. They are non-permanent and wipe off easily with a damp cloth, making them ideal for temporary messages, decorative artwork, signs, or event displays. With 6 bold assorted colours, these markers offer high visibility and clean results every time — perfect for both artistic and functional purposes.