Dr. Brown’s natural flow standard baby bottle is a tried and tested favorite with parents focused on helping their little ones experience happy feeding. Dr. Brown’s original baby bottles are designed to help ensure that your little one is comfortable and content when and after they eat. Each one features a patented internal vent system that eliminates vacuum and air bubbles. Dr. Brown’s polypropylene bottles hold up to 2 oz of liquid and help to reduce colic, spit-up, burping and gas. They’re made from bpa-free plastic, which makes them a safe option for your little one. Your child likely won’t feel common inconveniences or discomfort when fed with these. They’re also easy to maintain. Simply clean them with hot soapy water and a brush after using. Contents 1 – 2 oz/60ml standard polypropylene baby bottle 1 – level-one silicone nipple 1 – two-piece patented internal vent 1 – cleaning brush instructions made in the china warnings always use this product with adult supervision. Never use fedding teats as a soother. Continuous and prolonged sucking of fluids will cause tooth decay. Always test temperature of liquid before feeding baby.Do not use a microwave oven to heat the bottle because microwave ovens can create hot spots in milk or formula. Test the nipple by pulling on the bulb portion, and replace if nipple shows any signs of wear. Keep nipple out of direct sunlight when not in use. Wash all parts prior to use. All components of the dr. Brown’s bottles are top-rack dishwasher-safe. Do not let a child take a bottle to bed or self-feed for long periods. Allowing your child to use this product for prolonged periods separate from regular mealtimes or to go to sleep while drinking liquids, other than water, from the baby bottle may cause or contribute to early childhood tooth decay.