Japanese Thermos Bottles (I'm Slightly Obsessed)

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Overview

This video is a review of Japanese thermos bottles. The author compares Japanese thermoses to American thermoses and highlights the advantages of Japanese thermoses, such as being lightweight, having a slimmer design, and a wider variety of designs. The author also discusses the history of thermoses, from their invention in 1892 to the present day.

History of Thermoses
- 🧪
  The first vacuum flask was invented in 1892 by Sir James Dewar, a Scottish scientist working in England.
- 🏭
  In 1903, two German glassblowers who were making the flask for Dewar added a protective metal casing around it and secured a patent, preventing Dewar from claiming the rights.
- 🌍
  Thermos bottle companies were created throughout the world, including the U.S. Thermos, named after the Greek word for heat.
- 🇯🇵
  In 1989, a Japanese company acquired the American Thermos company and went on to acquire the rights to Thermos all around the world.
Japanese Thermoses vs. American Thermoses
- ⚖️
  Japanese thermoses are lighter than American thermoses for the same liquid capacity.
- 📐
  Japanese thermoses are slimmer than American thermoses for the same liquid capacity.
- 🎨
  Japanese thermoses have a wider variety of designs than American thermoses.
- 👄
  Japanese thermoses often have closed-top designs to keep the drinking area sanitary and leak-proof.
- 💧
  Japanese thermoses rated for both hot and cold drinks have a spout designed for easy drinking of hot liquids.
Thermos Features and Usage
- 🌡️
  Vacuum flasks keep hot drinks hot and cold drinks cold.
- 💧
  Thermoses prevent condensation.
- 🦺
  Depending on the type, thermoses can protect from spills.
- 🫧
  Thermos cleaning tablets can be used to clean the inside of thermoses.
- 🧒
  Thermoses are popular in Japan because they are essentially a requirement in daycares, middle schools, and junior high schools.

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Key moments

Introduction
The speaker introduces the topic of Japanese thermoses and their love for them.
They show a few boxes they received in the mail, hinting at new thermoses.
Japanese Thermoses vs. American Thermoses
The speaker explains their preference for Japanese thermoses, which started a decade ago.
They compare Japanese and American thermoses in terms of weight, size, design, and variety.
The history of the vacuum flask and the Thermos brand is explained.
A summary of the main differences between Japanese and American thermoses is provided.
Weight and Size Comparison
The speaker compares the weight of Japanese and American thermoses, finding Japanese ones to be lighter.
They also note that Japanese thermoses are generally thinner for the same liquid capacity.
Design and Variety
The speaker discusses the visual design and variety of Japanese thermoses, praising their cuteness and coordination.
They show examples of popular American and Japanese thermoses, highlighting the differences in aesthetics.
The speaker encourages viewers to compare the Thermos websites for themselves.
Mouthpieces
The speaker discusses the different types of mouthpieces found on Japanese thermoses.
They explain that closed-top designs are common in Japan for sanitation and leak prevention.
Shin, the speaker's son, helps explain the different mouthpieces.
Drinking Test and Temperature Retention
The speaker and Shin conducted drinking tests to evaluate the ease of use of different mouthpieces.
They discuss factors like tipping angle and flow control, especially important for hot drinks.
The speaker notes that Japanese thermoses rated for hot and cold drinks have spouts designed for hot liquids.
They compare the ease of opening Japanese and American thermoses with a one-handed test.
The speaker conducts temperature retention tests, comparing how well different thermoses maintain hot and cold temperatures.
Reasons for Using Vacuum Flasks
The speaker lists their reasons for using vacuum flasks, including temperature retention, no condensation, and spill prevention.
They explain their preference for using separate thermoses for water and milk-based drinks for cleaning purposes.
Cleaning
The speaker demonstrates a thermos cleaning product they found.
They test the product on a stained thermos, showing the before and after results.
The speaker provides tips on how to use the cleaning product effectively.
Quick Facts and Community Submissions
The speaker shares quick facts about thermoses in Japan, including the name "mahobin" (magic bottle).
They explain the popularity of thermoses in Japan, particularly among children and athletes.
The speaker mentions popular thermos brands in Japan and discusses the pricing.
They showcase thermoses submitted by the community, featuring various brands and designs.
Yeti and Other Thermoses
The speaker shares their experience using a Yeti thermos, an American brand.
They mention a Japanese Thermos with an American design that can also function as a can insulator.
The speaker tests a special water bottle designed for bikes.
They conclude by showing their daily driver thermos, a Zojirushi model, and highlighting its features.
Outro
The speaker asks viewers about thermoses in their region and thanks them for watching.
The video ends with bloopers of Shin trying to open a thermos.