This Unisex Baby Bottles vented base design releases liquid slowly, reducing colic symptoms in 80% of babies by eliminating bubbles that cause gas and aggravate colic & reflux symptoms. This elongated nipple shape of our anti-colic baby bottles feels just like mom so parents and newborns can easily switch between breastfeeding and bottle feeding. The Baby 5Oz Printed Bottle Set is anti-colic bottles that are 100% BPS and BPA free, of mind for parents, and a safe start in life for your newborn. It easily Starts Self-Sterilizing Anti Colic Baby Bottles, 5 oz 2 Baby Bottle with Silicone Nipple, Newborn Essentials, Pink. These bottles for babies make perfect baby shower gifts!