Milton Treat Hot Pot Keep Warm/Cold Upto 4-6 Hours Insulated Casserole with Stainless Steel Insert, 4 Liter Maintains The Food Temperature For Up To 4 Hours Stainless steel inner pan Insulated With Polyurethane Foam. High Thermal Rating Ensures Temperature Maintainence For Longer Periods. Specially Crafted Handle Allows Single Hand Portability These Casseroles Are Sturdy And Virtually Unbreakable