ThermaWare 4.5-Quart Large Insulated Food Server with Stainless Steel Insert The ThermaWare Insulated Food Server keeps foods hot or cold for up to six hours Patented locking lid prevents spills while retaining hot and cold temperatures Patented locking lid prevents spills while retaining hot and cold temperatures Great for preparing dishes prior to parties and meal-times Attractive design can be featured on the serving table