BETTER THAN CHALK- Give a crisp matt look to your windows boards and displays whether they are glass metal or ceramic. Move from chalk to chalkboard pens for a professional look. VERSATILE CHISEL NIB- Our exclusive 6mm chisel nib gives you the ability to have both broad solid lines and a fine detailed point. So you can draw big ideas and still not get bogged down in the little details. VIBRANT COLOURS- Our chalk pens come in a brilliant range of 8 vivid colours that will breathe real life into your artwork. Create a great eye-catching impression anywhere. ERASE WITH EASE- Dry erase chalk pens wipe off in seconds once dry wipe off with a dry cloth or even your finger from any NON-POROUS surface. Always test on a small area of your surface first.