Dr Brown\'s Options+ Level 3 Wide-Neck Teats are a medium-fast flow teat, great for older babies from 6 months. The teats are made from high grade, super soft silicone, to be used with the Dr Brown\'s Options+ Wide-Neck bottles. Dr Brown\'s Options+ Level 3 Wide-Neck Teats are a medium-fast flow teat, great for older babies who are pros at bottle feeding. The suggested age range for the Level 3 teat is 6 months+ but baby\'s preferred flow rate may vary. The teats are made from high grade, super soft silicone. The teat has a scalloped base which allows air to vent through the bottle to create a traditional teat vented bottle. Together with the anti-colic internal vent system, the Level 3 Wide-Neck Teat gives baby vacuum-free feeding that is clinically proven to reduce colic, decreases burping and wind, preserves nutrients, and aids in digestion for a good night\'s sleep. While the bottle works best with the vent system, it\'s great to have options when baby\'s feeding develops. Just remove the vent and the feeding experience is similar to most teat-vented bottles. Key features Dr Brown\'s Options+ Level 3 Wide-Neck Teats: Twin pack Suitable from 6 months BPA Free For use on the Dr Brown\'s Options plus green vented bottles only