1. [Three in one multifunctional cleaning brush] U-shaped brush: paired with the cup mouth, it can clean stubborn stains around the cup mouth. Gap brush: Clean the narrow grooves on the inner wall of the cup cover. Hard bristle corner brush: Remove dirt from the corner groove of the container.2. [Three in One Cup Lid Cleaning Brush] These portable cleaning brushes are made of heat-resistant polypropylene plastic, sturdy and durable, safe to clean, not easy to break, and can withstand 80 degrees Celsius. They can serve you for a long time.3. [Easy to clean] The bottle mouth cleaning brush is very gentle and will not affect your home cleaning. It specializes in cleaning deep grooves, gaps, and corners. The brush has strong cleaning power and is easy to clean. It can be quickly dried by simply rinsing with water.4. [Carefully designed] Small and exquisite. At the same time, it can rotate 180 and exchange, with small size, fast speed, easy replacement, and hanging holes that can be hung up when not in use, making storage convenient.5. [Wide range of uses] It is suitable for various cups and bottles, such as cups, glasses, milk bottles, sports cups, wine cups, tea cups, mug, etc. It can also be used for kettles, lids, plates, pacifiers, etc.