This White Chalk Pen will make it easier than ever to write on blackboards, creating defined white chalk designs however you choose to use it! It'll be perfect for creating wedding signage, stylish jar labels, home decorations and more. The pen design makes it easier than ever to apply chalk, without worrying about it getting all over your hands. It will also apply more a smoother, thicker line. This white chalk pen has a 4mm round nib. Nib size: 4mmFeatures a round nibEasy to apply to blackboard surfaces and more!Perfect for creating chalk signageWhite Chalk Pen