"Give a new mom and her baby a better feeding experience with a Dr. Brown's 22-piece Baby Bottle Feeding Gift Set in pink. Dr. Brown's baby bottles use a ""Natural Flow"" internal vent system to get rid of bubbles, making digestion easier and helping reduce colic, spit up, burping and gas. It's as close to breastfeeding as you can get. Plus, Dr. Brown's venting system helps preserve milk's nutrients, like vitamins C, A and E. This baby bottle set includes 4 8-oz. bottles, 2 4-oz. bottles, 6 Level 1 nipples, 6 2-piece vent systems, 3 Level 2 nipples, 3 Level 3 nipples, 2 storage caps, a bottle brush, an Orthees teether, 3 cleaning brushes and easy-to-understand instructions. BPA free. Top rack dishwasher safe. Gender: female."