Pigeon Glass Baby Bottle Slim Type Set of 4 (with caps) 2 New + 2 Used The used ones are almost unused (used a few times). They have been sterilized, but we recommend washing and sterilizing them before use. We will include 2 bottles of Milk Pon, so please use them. Nipples are not included with the used bottles. I am also selling other baby bottles, so please consider purchasing them together!