Pigeon Baby BPA Free Nursing Feeding PP Bottle Nipple 4OZ. Size S 0-3Months Feeding Bottle Pigeon Model RPP 4Oz. + Classic Nipple Size S Pack 3- Made of poly material and pili (Polypropylene) high quality, non-chemical BPA. - Heat 110 C. - Seamless side seams. Without the accumulation of bacteria. - Nipple is made of silicon as well. A special assortment for infants in particular. - Used for milk or water. Recommendations. - To be cleaned. Sterilized before use.