... bo Descreption: liquid chalkMaterial: Plastic tube & capUsage: for decorating and writing on glass, windows, dry-erase board and all non ... felt board;fabric board,cloth board,blackboard,black board,chalk board,green board,menu board,marker board,combination board, ... station, storage products etc. For more information, please kindly call James Lee at +86 13917493488 Liquid Chalk for glass or windows