For those needing a rugged food jar without sacrificing on quality, this container can't be beat. The double wall vacuum insulation keeps contents hot for 9 hours and cold for18 hours, while the stainless steel construction makes it light and unbreakable. Lid made of Eastman Tritan, a BPA-free copolyester that's stain-resistant and highly durable. Wide mouth makes it easy to serve and clean. Dishwasher safe.