Double-walled 18/8 stainless steel provides maximum cold retention. Gel-based inner layer freezes like ice and holds its temperature. Won't leave messy water rings on tabletops or fine furnishings. Condiment Server comes with clear plastic lids. 4-Quart bowls include black silicone lids. Our Super Chill Insulated Servers are prized for their polished presence and superb temperature regulating abilities at your buffet table. Designed to keep foods perfectly chilled for several hours without ice or condensation, the gleaming, seamless serveware is ideal for summer socials staged outdoors or indoors.. . . . . Place in a freezer prior to use. Outdoor or indoor use. Hand wash (view instructions).