🥳 Keep it hot, keep it cool, keep it fun! Stays cool to the touch, even with hot contents. Hand wash only, but dishwasher safe for hassle-free maintenance. Crafted with double wall stainless steel for ultimate durability. Ideal for ages 4 and up, making mealtime fun and safe. Experience the power of Thermos Vacuum Insulation Technology. sweat-proof 5 hrs hot 7 hrs cold The THERMOSFuntainer® is a 290ML stainless steel vacuum insulated food jar designed for kids, featuring durable double wall construction that keeps food hot for 5 hours and cold for 7 hours. With a cool-touch exterior and sweat-proof design, it's perfect for little hands. Ideal for ages 4 and up, this jar is easy to clean and perfect for on-the-go meals.