Sink Cleaning Brush With Silicone Suction Cup For Glasses etc. Cleaning glasses and cups is quick and easy with this handy in-sink washing-up brush. Its rounded design and durable bristles make it fast and effective and it features a strong suction cup at its base to ensure it stays firmly in place during use. When required, a small tab on the base makes it easy to remove. Suitable for glassware or crockery