This Philips Avent infant starter set comes with 2 four-ounce and 2 nine-ounce BPA-free bottles. All Philips Avent feeding bottles come with level 1 slow-flow nipples. The 2 orthodontic pacifiers are designed to support the natural development of Baby"s teeth and gums. The kit also includes a bottle brush that reaches even hard-to-clean parts of the baby feeding bottles.