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Rang Dong’s herbal tea flask offers excellent heat retention

February 15th, 2025

The flask model RD-0900ST1.S made by Rang Dong, Vietnam's leading manufacturer of vacuum flask products, is a stylish and functional item. It can be used for various occasions. Let's explore its outstanding features to see how the herbal tea flask could be an ideal item to keep other drinks such as coffee or juice in their best condition for hours. 

Model RD-0900ST1.S is crafted to meet the needs of those who enjoy their beverages at just the right temperature. With a capacity of 0.9 liters, this flask is ideal for carrying enough herbal tea or other drinks for the day.  

The body of the flask is made from high-quality stainless steel to extend durability while giving a sleek, modern look. The item is available in various customizable patterns and colors as users can choose a style that matches their preferences. 

Structure of Rang Dong’s herbal tea flask, model RD-0900ST1.S. 

The lid is constructed from PP plastic material, designed for easy disassembly and cleaning. It also features a temperature display, so users could easily check the temperature of their drink without opening the flask.  

The wide mouth design makes it easy to clean and refill, while the skid-resistant bottom ensures stability when placed on any surface. 

Advanced Japanese technology has been used to make the glass refill, a key component of Rang Dong's herbal tea flask that is capable of providing excellent heat retention. Thanks to this part, drinks can stay hot for up to 12 hours, or cold for up to 24 hours, an ideal feature for long trips or daily use. 

Additionally, in order to assist travelers, a silicone gasket is built in to prevent leakage, so users could carry it in the bag with peace of mind. 

Exceptional features 

Superior heat retention stands out among the key features of Rang Dong's herbal tea flask. Capable of retaining the drink's temperature for extended periods, the flask is suitable for keeping hot herbal tea and iced drinks.  

Easy cleaning thanks to the flask's wide mouth means users can always enjoy their beverages without any strange odors. 

The flask’s temperature display is a unique feature that advises users of their drink's latest status. Once users do not have to open the lid for checking, their beverage stays properly insulated. 

 

The temperature display lid allows users to easily monitor the drink temperature without having to open the lid. 

The skid-resistant bottom ensures that the flask stays securely in place on any surface, while the easy-to-disassemble lid allows for hassle-free cleaning and maintenance.  

 

The wide-mouth feature of Rang Dong’s herbal tea flask assists easy cleaning. 

Certified with LFGB and compliant with Substances of Very High Concern (SVHC) regulations, model RD-0900ST1.S meets the top safety and quality standards. The qualification means it can be well accepted in international markets, including Europe, China and the Middle East. 

Applications 

Thanks to the flask's versatility and large capacity, users can find it handy in keeping their favorite beverages, from herbal tea and coffee to water and juice, at the right temperature for various occasions. The flask can meet either personal demand or for sharing with companions. 

For users who are often on the go, Rang Dong's herbal tea flask model RD-0900ST1.S offers portability and reliability. 

 

A consumer enjoys her favorite warm drink from Rang Dong's herbal tea flask. 

For outdoor activities, such as picnics, hikes or camping trips, the flask is a must-have item to carry their favorite drinks thanks to its sturdy design and excellent heat retention. 

Should you have any questions or request a quotation of Rang Dong products, please send us an email to: export@rangdong.com.vn. 

Websites: en.rangdong.com.vn and vacuumflask.rangdong.com.vn. 

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