The Synoshi Large Flat Brush Heads are perfect for general cleaning tasks around the bathroom, kitchen, and house. Made of durable plastic, these gray brush heads feature a scrubbing action and attached scrubber for easy use. With a total of 4 units included, each brush head measures 4.25 inches in length and 3.55 inches in height, making them versatile and efficient for various cleaning purposes. The Synoshi brand ensures quality and reliability in cleaning tools, making these large flat brush heads a practical addition to your household supplies.