This bottle cup brush head is made of super soft elastic sponge material, soft sponge brush head porous sponge brush head, rich foaming, Soft and will not scratch the cup. Easily to stored on the kitchen wall with a hook. Squeeze the moisture on the sponge after cleaning, ventilate and hang. It helps you better finish the cleaning work, such as the cleaning goblet, glass, milk bottle, mug. This sponge brush can effectively clean tea stains, coffee stains and other difficult to clean stains.