The bottle is made of high quality transparent borosilicate glass, lead-free, odourless and withstands sudden temperature fluctuations. (from -30 °C to 150 °C). The filter is made of 304 stainless steel (18/8) and is more corrosion-resistant than ordinary stainless steel. The case is made of high quality neoprene.
Equipped with an ultra fine, double layer stainless steel filter, it can be filtered through a very fine hole strainer even through the smallest tea granules. This makes it ideal for preparing a variety of drinks such as loose tea and coffee.
It is thicker than other bottles on the market. Strong and strong enough to ensure it can be used longer.