Dr Brown's Narrow Neck Level 2 Teats Twin Pack Note: Packaging may vary Dr Brown's Bottle Teats: Two Standard Replacement Flow Silicone Teats for Dr Brown's Standard Natural Flow baby bottles. These silicone teats are made for Dr Brown's Natural Flow baby bottles. Other teats may not work properly and can result in feeding problems for your infant. Level 2 Teats For use with narrow neck bottles BPA Free Description Features: Helps colicky babies settle down/sleep Reduces colic, spit-up, burping and gas Helps prevent fluid in the ear/no vacuum Easy to clean, dishwasher safe BPA free Description:Dr. Brown's Natural Flow Standard require these specific silicone nipple teats. These Preemie teats in a pack of 2 are ideal for settling new babies from birth, who are suffering from colic, spit-ups, burping and or gas. They help prevent fluid in the ear or possible vacuums and they are practical and easy to clean using a dishwasher, top rack only. Overview:Product Dimensions: 22.0 x 30.0 x 13.0 cmRecommended Age: For 0+ years