Helps settle your baby, especially at night**. Unsettled and irritable behavior, known as fussing, is by far the most commonly known crying behavior in babies. The Philips AVENT Classic feeding bottle significantly reduces colic*** and fussing. Easy latch on: Unique valve on the nipple flexes to your baby’s feeding rhythm. Milk will only flow at the pace chosen by your baby for more comfort. Significantly reduces fussing: Sleep and nutrition are vital to your baby’s health and happiness. A randomised clinical trial was carried out to see whether infant feeding bottle design affects “infant behaviour”. The Philips AVENT Classic baby bottle was shown to significantly reduce fussing by approximately 28 minutes a day as compared to the comparator bottle (46 min vs 74 min, p=0.05). This was especially true during night-time.** Ergonomic shape: Due to the unique shape, the bottle is easy to hold and grip in any direction for maximum comfort, even for baby’s tiny hands. Unique anti-colic valve: As your baby feeds, the unique valve on the nipple flexes to allow air into the bottle instead of your baby’s tummy.*** Compatibility across the range The Philips AVENT Classic bottle is compatible with the Philips AVENT range, excluding Natural bottles. We advise to use the Classic bottles with Classic feeding nipples only. This bottle is BPA free*: The Philips AVENT Classic botle is made of BPA free* material (polypropylene). Simple to use and clean: Wide bottle neck makes filling and cleaning easy. Only a few parts for quick and simple assembly. Fit your baby’s growing needs: The Philips AVENT Classic bottle offers different flow rates to keep up with your baby’s growth. Remember that age indications are approximate as babies develop at different rates. All nipples are available in twin packs. Adapter ring: Remember to always use the Philips AVENT Classic bottle with the adapter ring (included with every Philips AVENT Classic bottle).