Compatible with cups, teapots, bottles and thermos flasks, especially narrow-neck vessels. Soft sponge material that is odourless, robust and durable, with small holes at the end of the handle for easy hanging. Longer neck for easy entry into bottles. Ergonomic handle design and a 360° rotating brush head for thorough stain removal; soft foam protects sensitive surfaces from scratches. 360° cleaning from any angle. The rotating brush head enables quick access to tight spots and efficient cleaning, reducing effort and making it a reliable household helper. Use scenarios: - Clean narrow-neck bottles after smoothies, milk, or juice to remove residue without scratching. - Refresh teapots and cups with tea stains, preserving surfaces and finish. - Maintain travel mugs and thermos flasks during trips for easy, on-the-go cleaning.