Kassa Liquid Chalk Markers - 10 Pack Chalkboard Pens - for Blackboard, Glass, Bistro Board, Window & Mirror - Erasable Bright Colored Chalks - Dustless & Non Toxic - Double Sided Chisel & Bullet Tip PROFESSIONAL BLACKBOARD MARKERS: High quality chalk ink with vibrant neon colors that are attention-grabbing! Dries quickly & will not smudge WORKS & ERASES ON: The chalk set will work on almost any surface! Will erase off non-porous surfaces; such as blackboards, mirrors, windows, or glass. Permanent on porous surfaces DOUBLE SIDED TIP: Each chalk marker has a durable two-sided nib, one end is a chisel point (great for fine detailed lettering & writing), the other end is bullet tip (great for broad stokes). Simply pull the tip out and flip it! DUSTLESS CHALK: Unlike regular dusty & messy chalk, these wet wipe washable markers are water-based and dust-free. Non toxic & child & kid friendly! Colors Included: White, Red, Yellow, Green, Pink, Purple, Blue, Orange, Brown, Peach ENDLESS POSSIBILITIES: Kassa chalkboard pens are widely used as a lettering and calligraphy tool. Additionally, you can use them to decorate restaurant menu bistro boards, milestone boards, LED board, and wedding signs. You can also use them as car window markers and so much more!