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. - Used for milk or water. -Seamless side seams. Without the accumulation of bacteria. Heat 110 C.Pigeon