Features medium flow nipple, which is perfect for milk Nipple has teething nubs that massage and stimulate baby's gums Non-Drip nipple prevents spills and reduces leaks You will receive the following colors: Aqua, Orange, Green 0 Months + / BPA Free, Vari-flo valve allows child to control flow rate This 8 ounce bottles, by Nuby, have a variety of fun prints with bright colors to stimulate your child's visual senses. It features our patented medium flow Nuby Nipples that are perfect for massaging your baby’s emerging teeth. The medium flow is great for milk. The bottles are made of BPA Free plastic.