Chalk Marker - 8 Brilliant Bright Colors Liquid Chalk Ink Pens - 6mm Chisel NIB - Wet Wipe Erase - GAINWELL LIQUID CHALK PENS  NON-MESSY ALTERNATIVE TO CHALK  finally an answer to dusty chalk that smudges easily  brightly colored liquid markers can be used on all non-porous surfaces such as chalkboard, whiteboard, ceramic, glass, mirrors SAFE TO USE  US and EU safe standard approved, non-toxic, Xylene free chalk pens means they are safe for all the family to use MULTIPLE USES  for teachers, retail outlet owners, families, can be used for events, crafts, signs, marking containers or pots, hundreds of different uses around the home or workplace EASY TO ERASE  Used on smooth plane ,such as glass,plastic,and can be cleaned by wet towel easily. LIFETIME GUARANTEE WHEN YOU ORDER NOW! If youre not happy or arent satisfied for any reason, we will gladly and promptly refund your purchase price