This rice washer is handheld container design?? the principle of the rice washer is using the water pressure??simply put rice up to the measures and cover on properly?? then place the top of the container on the faucet of the sink and water on for a while</br>This rice cleaner can be used to wash rice?? soybean?? mungbean?? grape and so on</br>It can't be used to wash the tiny things. When using it?? keep the container balance</br>This product is made of plastic?? so keep it away from heat in order not to make it out of shape. When finish using it?? Please dry it with a soft cotton cloth and set it up side down.</br>Size:14.5*16*11.5cm</br></br>Pr