These are the same cleaning brushes that come with each Dr. Brown's natural flow baby bottle and are meant to replace worn or lost pieces. Pack of 4 cleaning brushes.

Designed to use with all Dr. Brown's natural flow baby bottles These are the same exact pieces that come with each Dr. Brown's natural flow baby bottle meant to replace worn brushes Keeps Dr. Brown's vent inserts and vent reservoirs clean and clear of blockage Top rack, dishwasher-safe These are the same exact pieces that come with each Dr. Brown's natural flow baby bottle and are meant to replace worn or lost brushes Helps keep Dr. Brown's Vent Inserts and Vent Reservoirs clean and clear of blockage so the patented internal venting system functions properly

• Age: Up to 2 Years 
• Contents: Pack of 4 Cleaning Brush
• Product Dimension (approx): 0.8cm (length) x 9.7cm (width) x 23.1cm (height)
• Brand: Dr. Brown
• Material: ‎Nylon 
• Country Origin: China