Baby Bottle Liner (4oz/50pcs) 1.Pushing out the air while feeding 2.Give baby a bubble free feeding. 3.No BPA, DEHP 2013 Disposable Baby Bottle Liner (4oz/50pcs)Pushing out the air while feeding and give your baby a bubble free feeding.An effective solution to babies as excessive air when sucking,caused thehiccup,bulging belly,milk-vomiting,and uncomfortable reaction.Bottle Liner easy for your ...