This folding washing machine is made of environmentally friendly PP and TPR materials. It is safe, non-toxic, and tasteless. It can be folded 20,000 times without breaking after experimental testing. Come with high-frequency ultrasonic cavitation , forward and reverse cleaning with the turbine. Adopting low noise design, no worrying disturbing your rest or sleeping. High-frequency vibration cavitation accelerates the dispersion and emulsification of liquids and stains to achieve the purpose of cleaning.Therefore, this product is very suitable for cleaning the mask and can effectively sterilize and disinfect. After the washing machine runs for 30 minutes, it will automatically shut down and restart the USB plug after one minute. Auto cycle cleaning, automatic positive inversion, ultrasonic vibration cleaning and bubble cleaning, you can use the included remote control to switch the mode.