... with wiper, tissue paper, etc.-- High Brightness neon color, best for indication on Mirror / Plastic board / Light board / Glass etc.-- Water ... ( Blue / Yellow / Green / Purple / Red / White / Pink / Orange)-- 4 models for choosing: ZD410,ZD510,ZD520,ZD610How to use1.activate-shake with ... filled with ink;4.just writing or drawing what you want on the glass or plastic board, in black environment, your ...