This brush head flexible and bends to easily cleasing bottom and corners of cups Cleaner cup brush can be used cleasing cups, such as glass cups, ceramic cups, stainless steel cups This brush is highly with soft sponge to thorough Cleaner inside of cup Our Mug Brush stylish look and an ergonomic handle for a comfortable grip Suitable for users at home, offices, restaurant and other places, for who like to drink coffee, and juices