15mm JUMBO Tip - SuperChalk Liquid Chalk Markers - Brilliant Bold White Color JUMBO: Weve created this JUMBO Marker for all those extra-large displays you need to work on. No need to worry about wasting time and ink by having to shade in all the words  just use this 15mm tip to create attention-grabbing signs! DUST-FREE: You can now steer clear of all that messy dust as the liquid chalk in this SuperChalks marker is completely dust free! Simply wipe with a damp cloth and watch as it disappears without the regular smudge and mess. The super concentrated liquid in these markers prevents any running or dripping too! PROFESSIONALISM: Dusty chalk is for amateurs! Create fantastic, eye-catching displays that have a professional edge with this liquid chalk marker. VERSATILITY: You can write on pretty much any NON-POROUS surface; including chalk labels, glass and even metal! The only limit is your creativity! PLEASE NOTE, THEY ARE NOT SUITABLE FOR POROUS SURFACES, ALWAYS CHECK/TEST BEFORE USE. GUARANTEE: This marker is protected by a free 60-day money back guarantee! So theres no stopping you in clicking ADD TO CART now and testing out this amazing professional liquid chalk marker for yourself.