The legendary classic food jar. Since 1913. Lifetime warranty. Leak proof. Hot: 15 hours. Cold: 15 hours. Material: Stainless steel. Insulation: Double wall vacuum. BPA free. www.stanley-pmi.com. Timeless + durable. Insulated lid doubles as 12 oz/354 ml bowl. Wide mouth perfect for soup or chili. Vacuum insulation keeps food hot or cold for 15 hours. 18/8 stainless steel won't rust; naturally BPA-free. Leak proof and fully packable. You know that green steel bottle your grandpa took fishing? We made that thermos. Still do. Since 1913 we've promised to provide rugged, capable gear for food and drink that was built to last a lifetime. It's a promise we still keep. Built for life. Made in China.