PIGEON Peristaltic Plus PPSU Nursing Bottle Nipple Size SS 160 ml.(Pack of 3). PIGEON Peristaltic PLUS PPSU Nursing Bottle Nipple Size SS 160 ml./ 5 oz. Set of 3 Bottles and 3 Colors (White, Yellow, Green) Developed based on extensive research on feeding babies. This product facilitates the three key steps of a baby's sucking. Get free a pcs. of ELEPHANT key ring.