Kassa chalk markers allow you to write or draw with bold, vibrant colors on almost any surface! The liquid erasable chalk markers pens will erase off non-porous surfaces like blackboards, windows, mirrors, and glass! Each marker has a durable two-sided tip allowing you to switch between bullet point for broad strokes and a chisel tip for adding in small details. The erasable chalkboard markers are widely used for chalk lettering, creating wedding signs, restaurant menu boards, home decor signs, milestone boards and so much more! The marker pens are perfect for kids, aspiring artists, craft lovers, and DIY enthusiasts.