Sevencolor Liquid Chalk Marker Water Based Non-toxic Erasable Paint Ink Pens with Bright Colors and Fine Tip for LED Board,Car Window,Glass,Chalkboard Sticker BRIGHT COLOR &REVERSIBLE TIP,water based dual-writing marker pen 8 colors,you could change easily between round tip and oblique tip,making your drawing more vivid NON-TOXIC,Eco-friendly,our marker pen pass the ASTM-D4236 & EN-71-3, which is healthy and and no harm to body,you could use it safely RESIST WIPE,wet wipe chalk marker,different from other dry & wet erase liquid chalk marker, If you wipe the writing before the marker dries, you can erase,it can't be wipe by dry cloth once the maker dries, only wet cloth can cleanup, you don't need to worry the words or painting on the board been damaged unintentionally by children any more,so the words or painting can been last longer,this is also nice for items that you may label Many application:this new marker is great to use in the Led writing board,chalkboard labels/stickers,glass, windows,furniture,caps,front store and any non-porous surface ATTENTION : Please do not touch your mouth, nose and eyes; keep marker pen away from children under the age of 3; place it in a dry place , avoiding the sunshine and cover the cap after used