Thermos mug with strainer made of stainless steel. The mug contains a practical strainer for coffee or loose tea. Thanks to the double wall, it keeps the drink hot for 4 hours and cold for 10 hours. The thermo mug has a wide neck in which you can also insert ice cubes to keep the drink cool for up to 24 hours. It is 100% leak-proof, so you can put it in your rucksack or handbag without worrying about it leaking. Thanks to its 400 ml size, it fits in every hand and also in almost all car cup holders.