Avent classic feeding bottles 0m 3 pack clinically proven to help settle your baby and reduce colic unique anti colic system consist of the avent teat and adapter ring allowing air to flow into the bottle instead of your babys tummy for better digestion support breastfeeding teat design promotes easy latch on and teat acceptance by baby super soft silicone teat for more natural feed wide neck of bottles makes filling and cleaning easy ergonomic shap