This is a set of two Pigeon plastic baby bottles, 300ml each, plus caps. Nipples are not included, so please purchase the size you need. I used these only to store cooled boiled water in the refrigerator, as my baby didn't drink this much milk. They were washed with baby bottle detergent and sterilized in the microwave, so I believe they have no odor transfer as I did not use chlorine-based disinfectants.