The thermos is made of high quality stainless steel. Double walls with vacuum insulation allow keeping the temperature of the contents for a long time (up to 6 hours). .Vacuum lid ensures absolute tightness: 100% leak-proof. Equipped with a plastic cup lid. Safe use: the liquid from the thermos is poured through the button. Wide neck for easy cleaning and pouring. Durable and lightweight, it is a must for a walk or travel. Made in bright colours, the thermos will delight you and will serve you for many years. Not dishwasher safe.