This is a thermos from the Thermo collection by Zwilling - designed for both brewing tea and preparing flavoured water, flavoured with fruit or herbs. Interestingly enough:

• The thermos is equipped with a tea brewer. It can also be filled with fruit or mint leaves, for example.
• It keeps the contents at the desired temperature for 7 hours (for hot drinks) or 10 hours (for cold drinks).
• It has a minimalist, functional design.
• Dishwasher-safe.
• Made of BPA-free plastic and 18/10 stainless steel.
• It has a stable, non-slip rubber base.

Available versions:

• Thermo Tea brewing thermos 420 ml white, Thermo Tea brewing thermos 420 ml black