The marker is suitable for use on mirrors, glass, self-adhesive black boards and many other smooth and non-porous surfaces.Opaque ink that is easily erased and leaves no trace.Shake the marker well before each use. Press the top of the marker several times before first use - this activates the color flow.The dry color can be removed with a dry cloth. Put the cap on immediately after use.Round top with writing thickness from 3 to 5 mm. 
