Sistema Chill It To Go Food Container is designed to keep ingredients cool until they are ready to eat The innovative Ice Pack is freezed overnight and placed in the container in the morning to keep the food cool and fresh The convenient knife and fork snaps securely in to the lid and eliminates the need to take separate utensils The dressing pot and compartmentalized tray keeps food separated - until it is time to mix in the generous base of the container The container is also safe to use in the microwave, when the lid is unfastened, and can be stored in the freezer It is made of BPA and phthalate-free plastic and can be easily washed on the top rack of the dishwasher Easy opening, seal tight lid Clips hold the lid securely and prevent spillage Dishwasher (top rack only), microwave, fridge and freezer safe