Introduction: -- Calligraphy is an intangible cultural heritage in china -- You can learn more chinese culture from the learning of calligraphy -- Chinese calligraphy practising can help us calm, reduce working pressure, cultivate morality and optimise temper Two modes design: -- Ink writing mode: 100% traditional writing experience.It's better to write on Chinese calligraphy paper than water writing cloth -- Water writing mode: only need water, Chinese brushes, and water writing cloth Notes & Maintenance -- Please use clean writing brush(never soaked in ink) and clean water -- The words appear immediately on the cloth and recover after several minutes.Well protected, it can be used thousands of time -- Don't make the brush carry too much water -- Don't pollute water writing cloth with colourful liquid, oil, sweat, saliva or any acid-alkali -- Don't make cloth surface scratched by any sharp or hard things -- Roll the cloth up when it is fully dry.Don't make it folded More questions, please kindly let us know.Thank you!