This lot includes 2 packs of Philips Avent Natural Response Nipple Flow 3 baby bottle nipples designed for babies 1 month and older. The nipples have a natural response design and are made of BPA-free silicone. Each nipple has a flow rate of 3 and a capacity of 260ml (9oz). The product is part of the Philips Avent Natural Nipples collection and is made in the United States.