Dr. Brown's Natural Flow BPA Free Polypropylene Bottle, 4 oz 1 ea
Do not use a microwave oven to hear he bottle because microwave ovens can create hotspots in milk or formula. Test the nipple by pulling on the bulb portion, and replace if nipple shows any signs of wear. Wash all parts prior to use. Do not let a child take a bottle to bed or self-feed for long periods. Always test temperature of liquid before feeding baby.