A thermal flask is a kind of insulation device in the shape of a cylinder and used to be the commonest item in life. This video shows GiNT's new arrival RO320. It's truly an excellent vacuum thermal flask. Our unique double-walled vacuum insulation protects the temperature for hours. It doesn't sweat from moisture, doesn't transfer heat or cold to your hand, and keeps inside liquids hot or cold. This glass liner water flask keeps drinks cold for up to 12 hours and warm for up to 10 hours when the lid is used. As a leading vacuum insulated flask, glass liner water flask, thermal flask manufacturer, and supplier in China, we welcome you to wholesale the best vacuum insulated flask, glass liner water flask, and thermal flask from our factory.

We're well-known as one of the leading vacuum insulated flask, glass liner water flask, thermal flask manufacturers and suppliers in China. If you're going to wholesale high quality vacuum insulated flask, glass liner water flask, thermal flask with competitive price, welcome to get more information from our factory.