The thermos flask brush with special foam is a practical cleaning tool for thermos flasks and insulated bottles. The brush is made of high-quality foam that effortlessly removes even stubborn dirt and residue without damaging the interior of the thermos flask. The brush's white handle fits comfortably in your hand, ensuring a firm and secure grip. With this thermos flask brush, you can easily and effectively clean your thermos flask and remove coffee, tea, or milk residue. This not only maintains the hygienic cleanliness of your thermos flask but also extends its lifespan. The thermos flask brush is easy to use and clean, so you'll enjoy this practical helper for a long time. Treat your thermos flask to a thorough cleaning with the thermos flask brush with special foam and keep it in pristine condition!