This stainless steel thermos from the Qwetch brand can keep your drinks cold for 12 hours and hot for 24 hours.
It is completely waterproof thanks to its silicone seal.
This thermos is reusable and washable indefinitely. You can wash it easily with hot soapy water.
It is guaranteed to be BPA free.
Qwetch thus offers nomadic food containers for those who want to transport their drinks and meals while avoiding the use of disposable food bottles and packaging.