Thermos flasks typically consist of three layers: an outer shell (made of plastic, stainless steel, or rubber) - a vacuum insulation layer - and an inner layer (stainless steel 2021 or 304). Almost everyone can own one, with a wide variety of brands and price ranges available.
Thermos flasks are an indispensable item for many young people who are health-conscious and pursue a green lifestyle. Photo: Quang Hoa
Thermos flasks are increasingly being designed with more variety and capacity options to meet the diverse needs of consumers. Photo: The Hoang
It's not uncommon to see people carrying thermos flasks everywhere, from offices and schools to gyms and parks. A segment of young people has developed the habit of going to cafes and bubble tea shops and requesting to use their own reusable flasks to reduce plastic waste. Besides the benefit of keeping drinks at the desired temperature for longer, the variety of colors and styles of these flasks also reflects the user's preferences and personality. Health is a top concern for young people, and using a reusable flask reminds them to replenish their energy regularly, while also inspiring them to create their own drinks to bring along, saving money and ensuring safety and hygiene.
Source: https://nld.com.vn/binh-giu-nhiet-duoc-ua-dung-196240511205218976.htm
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