Dr. Brown’s Natural Flow Options+Y - Cut Wide-Neck Teat is a fast flow teat, made for use with thicker liquids. The breast-like shape encourages latch for a natural feeding experience. Contoured teat shape and soft silicone give comfortable feeding experience and help avoid nipple confusion. The suggested age range for the Y-cut is 9 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 Dr. Brown's Options Wide Neck Bottles.