Mainstays Food Jar Insulated Food Storage Container, Stainless Steel, Round, 28oz, Ideal Use for Workday Meals and Travel to Keep Meals Hot or Cold

Double-walled construction that keeps hot food warm and cold food cool for hours Wide mouth is perfect for soups or salads Pressure valves secure your food and create a vacuum to help preserve the temperature of your food Hand wash only Measures 7" x 7" x 3.5" Color: Silver & Black For maximum thermal efficiency: pre-heat or pre-chill the product just prior to use. Fill with hot or cold water, attach lid, let stand 5 to 10 minutes and empty water. After filling container with contents, re-cover with lid to increase thermal efficiency. Also, ensure all latches are secured. As the time span for keeping various food contents warm and cold will vary, keeping the container in an insulated lunch bag will improve performance. Mainstays 28oz Insulated Food Container