Dual Design: The brush features both sponge and bristle components, allowing for thorough cleaning of bottles and nipples. Chevron Channels: The base of the brush is equipped with chevron channels specifically designed for cleaning nipples. These channels ensure that nipples are effectively cleaned, helping to maintain hygiene and prevent residue buildup. Effective Cleaning: The combination of sponge and bristles enables efficient removal of milk residue, stains, and bacteria from the interior surfaces of baby bottles, ensuring they are clean and safe for reuse. Large Size: This brush is designed to handle larger baby bottles, making it suitable for various bottle sizes commonly used for feeding infants and young children. Color: The brush comes in a blue color, adding a touch of vibrancy to your cleaning tools and making it easy to identify among other cleaning supplies. Overall, the Dr. Brown's Bottle Cleaning Brush in Large Blue provides a convenient and effective solution for cleaning baby bottles, nipples, and other feeding accessories, helping to ensure proper hygiene and safety for your little one.