Vacuum Flask ZWILLING THERMO 0.42 L, stainless steel, Black, 7 h hot / 10 h cold

The ZWILLING THERMO vacuum flask 0.42 L is a compact stainless steel bottle designed for daily use, commuting and travel. With a 420 ml capacity and BPA-free interior, it keeps liquids hot for up to 7 hours and cold for up to 10 hours. The flask features a removable tea sieve for brewing loose-leaf tea, a dishwasher-safe design for easy cleaning and a streamlined shape without a handle for convenient storage in bags and cup holders.

Advantages

The vacuum-insulated stainless steel construction provides thermal performance for both hot and cold beverages while the BPA-free interior ensures safe contact with drinks. Its 0.42 L volume balances portability and capacity for single-serve use. The removable tea sieve adds versatility for loose tea or infusion, and the dishwasher-safe components simplify maintenance.

Suitable for

Key specifications

How to use

Preheat or precool the flask by filling it with hot or cold water for a few minutes, then empty before adding your beverage to improve temperature retention. Insert the removable tea sieve when brewing loose-leaf tea and allow infusion time according to the type of tea. Close the lid securely to maintain thermal performance and place the flask upright in a cup holder or bag compartment for transport.

Recommendations

For best results, hand rinse the lid and sieve after each use and place the main body in the dishwasher if needed. Do not use abrasive cleaners. Avoid freezing or placing the flask in direct heat sources. Check the lid is tightly closed before carrying in a bag to prevent leaks.