This baby warm plate features a water chamber that keeps food warm or cold on mealtime. It helps make the transition to solid foods easy. How to use: Method 1: Pour warm water (even near boiling) into the chamber with the funnel(included) and give it 5-8 minutes to warm (depending if the food is room temperature or refrigerated), food will be heated evenly. Method 2: 1. Heat a small amount of water to boiling or near boiling in a pot or kettle. 2. Meanwhile, put the food into the plate and microwave the food to lukewarm. 3. Using a funnel if necessary, pour the very hot water into the water chamber until it is about half an inch from the opening. 4. Close the water inlet cover. 5. Always check food temperature before feeding the baby. ATTENTION The hotter water keeps the food warm for longer. Always check food temperature before feeding the baby. Microwave and freezer safe. Top rack dishwasher safe (Keep the water inlet cover closed). Draining and Drying the water after washing the plate, leave the water inlet and outlet cover open.