is sippy cup necessary for babies? what's the reason to use sippy cup? which brand is good? plz make me understand in details

A. Sippy cups are basically are the ones in which water comes slowly and only when baby sips it. It is recommended as it prevents over spilling and choking. It is not necessary to give if baby is accustomed to drinking with feeding bottle. Some babies do not need it at all. If ever you opt to buy, you can choose from wide range of Philips Avent bottles.