The Thermos Sipp™ line of products combines sleek style with unique functional features. The patented double wall vacuum insulated food jar is made of durable stainless steel and will keep contents hot for 7 hours and cold for 9 hours. The lid is made of eastman tritan that resists stains and provides durability. The compact design of the food jar is lightweight for easy portability and is dishwasher safe. 16-Ounce capacity.