Dr. Brown's Natural Flow Regular Neck 3.5 oz. GLASS Baby Bottles are eco-friendly and bpa free, Dr. Brown's Natural Flow Glass Bottle the only baby bottle that features a patented internal vent system This vent eliminates the air bubbles and vacuum effect to allow positive-pressure feeding with no air - similar to breast-feeding.

Dr. Brown's Natural Flow Standard 3.5oz Bottless Designed to:

Reduce colic, spit-up, burping, and gas

Prevent air bubbles from forming in milk or formula

Help reduce fluid in the ear

Prevent nipple collapse

Features:

Dr. Brown's Glass bottle

Easy to clean and top-rack dishwasher safe

Connects directly to most breast pumps

Includes 2 high-grade Level-One silicone nipple, patented two-piece internal vents, travel disks, caps, cleaning brush, and instructions

Awards:

American Baby Best of the Year (AMBY) award for 2004

Gold Winner in the 2000 Medical Designs Excellence Awards (MDEA)