Dr. Brown's Bottle Brush gently and effectively cleans baby's feeding bottles and can be used for both wide-necked and standard bottles. The brush has both bristles and a sponge that cleans the bottle thoroughly. Its base has chevron channels that are designed to clean nipples effectively.Features:• Both sponge and bristles for efficient and thorough cleaning• Grooved latex handle for better grip• Chevron channels for cleaning nipples• Storage clip to keep the brush near the sink• Designed specifically to clean nipples with ease• Use with all wide-neck and standard size natural flow baby bottles• Dishwasher-safe