With the stainless steel interior and exterior, the contents will remain the perfect temperature for 4-6 hours. This server does not have a base. Hand wash only, do not submerge. Model #: S2SN100 4 to 6 hours of temperature retention Brushed finish Stainless steel vacuum insulation Optional footed bases sold separately Screw top lid Curved handle Dishwasher No base Shipping weight: 1.37 lb. 1 per case Made in China