Imp Note This product has 3 holes and the number four represents “Flow of the liquid and not holes”. Specifications Brand – Avent Type – Feeding BottleAge – 1 Months & aboveNipple Material – SiliconeAnti-colic – YesBPA free – YesFlow type – MediumBottle Neck Type – Wide Items included in the Package 1 Feeding BottleNoteOnly Philips Avent Natural Teat Can be used