Featured with a stylish design, the Thermos Hercules Stainless Steel Flask has a rugged plastic outer shell and a durable stainless steel interior. It includes an extra-large cup, as well as a twist and pour stopper which allows you to pour without removing the stopper. Keeps hot or cold for up to 24 hours. Features and Benefits Exceptional insulation - Keeps liquid hot or cold for up to 24 hours. Twist and pour stopper - Allows easy pouring without having to remove the stopper. Specifications Material: stainless steel/plastic Capacity: 1L Weight: 0.85kg Guarantee: 5 years