A vacuum-insulated, stainless steel, food jar from trusted Japanese brand, Zojirushi. It keeps food hot or cold for several hours. Made from durable 18/8 stainless steel, it features a Therma Chamber lid, a leak-proof stopper, and a wide opening for easy use and cleaning. All food-contact surfaces are BPA-free. Don't waste money on bland, unhealthy high street, food offerings. Instead enjoy delicious, nutritious home cooked food on the go.