For use with all standard and wide-neck Dr. Brown's Natural Flow® baby bottles, this Dr. Brown's Natural Flow® Bottle Brush from Handi-Craft® features a grooved, no-slip handle and a combination sponge and bristle brush head for thorough, easy cleaning of bottles. At the base of the bottle brush are fixed chevron channels, designed specifically to clean nipples with ease. A storage clip is included so you can house the brush near the sink.