This is the TKWide thermal flask from the brand Klean Kanteen, made of stainless steel. The lid is water and leak-proof, ensuring that the contents stay in place. Additionally, the lid is interchangeable, but this flask comes with the coffee lid. With its lightweight design, convenient dimensions, and 592 ml capacity, this thermal flask is suitable for taking anywhere. Furthermore, the flask is BPA-free, meaning it does not contain any harmful substances, and it is easily cleaned in the dishwasher. The TKWide thermal flask is suitable for both children and adults and is ideal for taking on trips, to school, work, or a day out.