Color 3 CountMaterial free BPA FreeItem Weight 2 PoundsBottle Nipple Type Wide-Neck NippleAbout this itemThe NEW natural nipple is engineered for consistent flow, so you and baby know what to expectBreast-like shape is correctly contoured for a proper latch and a more natural bottle feeding experienceAnti-colic vent system is clinically proven to reduce symptoms like spit-up, burping and gasShown to better preserve nutrients in breast milk and formula; Aids in digestion for good night?s sleepOffers flow rate that supports breastfeeding; Use bottle with or without internal vent systemMinimum 0 Months, Maximum-12 Months