[. . . ] €¢ Before first use place in boiling water for 5 minutes. €¢ Wash and rinse thoroughly, then sterilize using a Philips AVENT sterilizer or boil for 5 minutes. €¢ Do not warm contents in a microwave oven, as this may cause uneven heating and could scald your baby. [. . . ] €¢ Do not warm contents in a microwave oven, as this may cause uneven heating and could scald your baby. €¢ Dishwasher safe – food colorings may discolor components. €¢ Do not allow child to play with small parts or walk/run while using bottles or cups. €¢ Drinks other than milk and water, such as fruit juices and flavoured sugary drinks are not recommended. If used, they should be well diluted and only used for limited periods. €¢ Expressed breast milk can be stored in sterilized Philips AVENT polypropylene bottles/containers in the refrigerator for up to 48 hours (not in the door) or in the freezer for up to 3 months. Never refreeze breast milk or add fresh breast milk to already frozen milk. Box 10313, Stamford, CT 06904 4213 354 41211 (01/12) EN ES FR EN: Trademarks owned by the Philips Group. Before each use, inspect bottles for sharp edges or glass fragments inside. Do not use bottles if there are any cracks on or glass fragments in the bottle. Compatibility Only use Philips AVENT Natural nipples with Philips AVENT Natural feeding bottles. Make sure you use a nipple with the correct flow rate when you feed your baby. When you use an older Philips AVENT sterilizer, please check on the website how to place the Natural bottle. Do not mix Classic bottle parts and nipples with parts of the Natural bottle. [. . . ] Make sure you use a nipple with the correct flow rate when you feed your baby. When you use an older Philips AVENT sterilizer, please check on the website how to place the Natural bottle. Do not mix Classic bottle parts and nipples with parts of the Natural bottle. [. . . ]