Just pop it on and push it out! It is uneven and difficult to stick, so you can make 2 balesome rice balls at the same time. Material: Polypropylene; Cold and Heat Resistant Temperature: -4°F to 244°F (-20°C to 120°C). How to Use: Soak this product in water before using. It will not easily stick to rice. (1) Place rice in the container. (2) Place the lid over the container and press it firmly. (3) Remove the lid, turn the container over and press the center of the bottom to take out the rice bow. Note: Please wash thoroughly with dish soap before use. When using warm rice, please be careful not to burn it. Please do not apply excessive force to the extrusion. This may cause damage. Please do not place near fire or in a high temperature. This may cause the product to soften or deform Scratches may occur if scrubbing with scrubbing or polish. Do not place in a dishwasher or dryer. It may be deformed or damaged. Please do not use for anything other than the intended purpose.