Cello Thunder Stainless Steel Flask, 4 Litres, Black This high quality insulated double-walled vacuum flask is designed for maximum temperature retention. It keeps hot liquids warm for up to 4 hours and cool liquids cool for up to 5 hrs. The wide mouth makes it easy to fill, serve from, and clean. It has heat resistant handle for easy carrying and easy storage. Plastic outside surface and glass liner Plastic outside surface and glass liner Durable and break-resistant Anti-spill mechanism Heat resistant handle, no leak, and easy open top Keeps liquids hot and cool for hours, non-leaching and toxin-free Color: Black, Material: Stainless Steel Package Contents: 1-Piece Flask (4 Litres)