Thermos Bottle Day

Thermos Bottle Day is observed next on Wednesday, February 26th, 2025 (308 days from today).

How many days until Thermos Bottle Day?


Thermos bottles are popular nowadays with their matching features. Every year, February 26 is National Thermos Bottle Day, celebrated to recognize the benefits of thermos bottles bring to life.

History of thermos               

A thermos is a device that helps maintain a hot or cold temperature for the items it contains. Hot drinks will be maintained hot, cold will be kept cold. The average time to keep hot and cold of the thermos is from 6 to 10 hours. Depending on the type, the thermos can be made of plastic, glass or stainless steel (stainless steel) and usually consists of 2 layers separated by a vacuum layer.

Invented by Sir James Dewar in 1892, the thermos flask consists of two flasks, superimposed and joined at the neck. The gap between the two vessels is partially evaporated, creating a vacuum that greatly reduces heat transfer by conduction or convection.

Thermos flasks are also known as vacuum flasks or amphoteric flasks. Vacuum flask is the name according to the design structure with a vacuum layer in the middle. And the bisexual bottle is called according to the feature that can both keep hot and can keep cold.

Thermos bottle from Japan. Thermos is a brand with a long history of production and development in Japan since 1904. Today, the quality of this brand's products is still well received and favored by consumers. Thanks to the manufacturer for actively changing technology to catch up with the needs of today's advanced smart users.

Thermos also has many factories producing its high quality products in many countries. Quality standards remain the same and uniform.

History of Thermos Bottle Day

The origin as well as the founder of Thermos Bottle Day is still a question that needs to be answered. There are no sources that clearly indicate the origin or why February 26 every year is Thermos Bottle Day.

Observing Thermos Bottle Day

A great way to see Thermos Bottle Day is to prioritize using a thermos, preferably Thermos, to hold your hot coffee, hot tea or hot drinks. Share more information about Thermos Bottle Day on social media with the hashtag #NationalThermosBottleDay.


Thermos Bottle Day has been observed annually on February 26th.


Sunday, February 26th, 2023

Monday, February 26th, 2024

Wednesday, February 26th, 2025

Thursday, February 26th, 2026

Friday, February 26th, 2027

Also on Wednesday, February 26th, 2025