Having trouble feeding your little ones? Try Avent Classic+ Feeding Bottle, SCF452/27, and be relieved to feed your baby when you are outside or not around. Its anti-colic system is made to ensure that only milk enters through the nipple while the air is blocked inside the bottle. The nipple is itself made with soft silicone, BPA-free material, to let the baby have comfortable feeding experience. It helps keep your baby safe from stomach aches, burping disorders, and many more of these digestion problems. Its design is to provide firm grip when feeding the baby.