Philips avent classic new born starter set consists over everything you need to bottle feed your baby from birth up to 3 months the classic plus set includes two classic 125ml bottles with new born flow teats and two 260ml bottles with slow flow 1m teats both sets of anti colic teats are proven to reduce infant colic and gas when feeding with their unique venting system that allows air to flow freely preventing vacuums within the bottles the set also includes a bottle amp teat cleaning b