Chalk Markers for Chalkboard (Reversible Tip) - Erasable Dustless Water-Based Non-Toxic Liquid Wet Erase Pens FOR USE ON ONLY NON-POROUS SURFACE. PACKAGE INCLUDES: 10 Color Liquid Chalk Marker Pens + Free Reversible Tip. The marker writes smoothly and quickly just like a normal marker and dries quickly into a bright and sunny color. EASY CLEAN: Best easy wipe off liquid chalk markers on the market. All you need is a damp cloth to clean away chalk ink wet wipe markers. REVERSIBLE TIP: One side of the craft paint markers is a 6mm Chisel tip for a refined mark and the other side is Bullet for bold work. ENDLESS USE of Liquid Chalk Pens for liquid chalk drawing on any NON-POROUS surface like Glass, Plastic or Acrylic containers and Chromed Metal, as well as on non-porous Chalkboard and Blackboard. Bright liquid chalk markers great for use by Restaurants, Pubs, Car Dealers or businesses for presentations. Also good for decoration during festival season like Christmas and Halloween. Kid Friendly. NON-TOXIC Liquid Chalk Ink, Water-based Markers that will make your messages and designs stand out. Let your colorful message speak for itself with these liquid chalk markers. 100% GUARANTEED SATISFACTION.