Kassa Liquid Chalk Markers for Blackboards (10 Neon Colors) - Chalkboard Marker Erases on Glass, Window, Black Board, Mirror - Chalk Pens Include Reversible Chisel & Bullet Tip - Non-Toxic Ink

LIQUID CHALK MARKERS: These are the best quality chalkboard pens for bright neon colors with dust free chalk. The Kassa Liquid Chalk Markers work best with the Kassa Wall Sticker Chalkboard Contact Paper (Also sold on Amazon). BRIGHT COLORS: Eight different bright and funky colors are included in every package of these markers for chalkboard WORK ON: varnished wood, non-porous chalkboards, chalkboard contact paper, appliances, whiteboards, counter-tops, stainless steal, glazed ceramic tile, and more! Glass Markers and Window Markers. WARNING: It is always recommended to test the blackboard markers on a small surface, in order to ensure that it will erase. Not recommended for porous chalk boards or chalk board paint. RISK FREE GUARANTEED: The marker chalks are backed by a 60-day return policy and a Limited Lifetime Warranty by the Kassa Brand