MarlJohns Stainless King 36-Ounce/1-Liter Food & Beverage Jar (Red) High Quality 304 (18/8) Food Grade Stainless Steel Material. Same material used in the food, wine and beverage industry. Will not rust, corrode or retain flavors. Wide Mouth Opening. Holds up to 36oz. Much larger than the average food jar! Makes it the ideal choice for your on-the-go needs. Thermos vacuum insulation technology for maximum temperature retention, hot or cold, keeps liquids hot for 9 hours and cold for 12 hours 100% BPA Free, Phthalate-Free and Toxin Free. Parents can trust that they are providing their children/loved ones with a jar that will not leech toxins or dangerous materials. * We Care About Your Health and Safety. Durable stainless steel interior and exterior.Hidden handle design, easy to use.With decompression button, open easily