If you are tired of asking around for warm water for your baby when you go out , then, this 5 oz. self warming feeding bottle is just for you. You can be sure of the water’s safety and its fairly easy to use too. Its warmer has to be boiled before you go out and fixed in the feeding bottle and when you want the warm water, it gets ready in just 60 seconds. The super soft nipple with anti-colic vents ensure that your baby doesn’t get gassy too.