Avent The Avent 4 oz bottle with new born nipple is features the award-winning Avent Feeding Bottle, with newborn nipple that is clinically proven to reduce colic and painful gas build up in your baby.

Avent The Avent 3 pack of 4oz bottles come with slow flow silicone nipples that make this a great baby shower gift. The dome caps prevent spillage while the slow flow nipples prevent against gas and colic. Making this Avent 3 pack of 4oz bottles great for travel.

Dr Browns Dr. Browns Natural Flow baby bottle is the only baby bottle that features a patented internal vent system. This vent eliminates air bubbles and vacuum effect and allows positive-pressure feeding with no air, which is similar to breast-feeding. The design is proven to reduce colic, spit-up, burping, and gas, making it a positive feeding experience for both mom and baby.