Dr. Brown’s Natural Flow Options+ Level 3 Wide-Neck Teat is a medium-fast flow teat, great for older babies who are experienced bottle feeders. The breast-like shape encourages latch for natural feeding experience. Contoured teat shape and soft silicone give comfortable feeding experience and help avoid nipple confusion. The suggested age range for the Level 3 is 6 months+ but baby’s preferred flow rate may vary. Fits Dr. Brown’s Options+ Wide-Neck bottles. Dishwasher (top rack) and sterilizer safe and BPA free. * Not compatible with the Dr. Brown's Options Wide Neck Bottles.