SuperChalks Multi Coloured Liquid Chalk Markers (12 Pack) - 4mm Reversible Tip - AKA Wet Erase Liquid Chalk Window Glass Pens IMPORTANT PLEASE READ - SuperChalks are designed to be used on NON-POROUS surfaces and are NOT SUITABLE FOR CHALKBOARDS! SuperChalks bright colored liquid chalk markers (4mm Precision Tip) (Twelve Pack). The Liquid chalk in SuperChalks is completely dust free... Simply wipe with a damp cloth and watch as it disappears without the regular smudge and mess! Concentrated liquid prevents running and dripping. These chalk pens are completely versatile. They can write on any non-porous surface... Including chalk labels, mirrors, glass and even metal. The only limit is your creativity! Please note, they are not suitable for porous surfaces always test/check before use. Create fantastic, eye-catching, attention grabbing displays! Dusty chalk is for amateurs, use liquid chalk for that professional edge. Protected by a free 60-day money back guarantee! Click add to cart now to get your super bright liquid chalk markers that look amazing.