Baby thermos for liquids " Penguin", from the company Fresk. An extremely practical way to store baby liquids such as milk, juice, etc. during walks and trips. It maintains the temperature of food for a long period of time while having a large capacity and being lightweight. It closes very well to prevent leaks.
If stainless_steel, it is made of high-quality stainless steel inside and outside, which maintains the original temperature without being affected by external temperatures