Chalkmaster Liquid Chalk Markers - Huge Window 10 Color Liquid Chalk Premium Artist Quality Marker Pen Set + 6 FREE Additional 6 mm Reversible Chisel to Bullet Point Tips -100% Guarantee 6 FREE ADDITIONAL REVERSIBLE TIPS: The extra tips allow you to extend the markers life. HUGE WINDOW 10 COLOR SET of ultra premium vibrant bold neon colored liquid chalk markers. Each artist quality marker comes with our unique 6mm reversible tip and is filled with a full 8 grams of high-quality concentrated bright neon ink that allows it to outlast other brands. AMAZING VERSATILITY: Allow your creativity to flow as our markers can be used on any non-porous surface. They're excellent for use on glass, mirrors, plastic, metal, glossy & LED boards, whiteboards, chalkboard stickers, chalkboard contact paper, cards and so much more! Note: Markers are not suitable for use on porous surfaces like painted chalkboards and walls. Always test in small areas before use. UNIQUE REVERSIBLE TIPS: The 6mm reversible chisel to bullet point tips provide exceptional writing quality and make it easy to do fine lines as well as bright and bold ones too! Our chalk markers allow you to write with that clean edge needed to create incredible eye-catching displays on windows, menus and Bistro boards. 6 free additional reversible tips also included. Our premium artist quality fiber nibs are made in Japan. SAFE AND EASY TO USE: Our Markers are non-toxic, water based (which makes the chalk easy to wipe off) and extremely easy to use for both kids and adults. Let your imagination run wild when working on designs, and don't worry about making mistakes as you can easily clean them off with a damp cloth. HAVE FUN DECORATING: For yourself and family, any non-porous surface is your liquid chalk marker canvas! Be creative and use the markers for personal notes on mirrors, car windows and cards. Use them to decorate for parties, special events and holidays. Mark names and dates on calendars and containers. Capture everyone's attention with bright displays at restaurants and bars or at home and school!