Pigeon Slim Type Nipple L (Round Hole) Set of 2 Made of silicone rubber For babies 9 months and older Purchased at Nishimatsuya in July of this year. I didn't use them much because the flow was too fast and my baby couldn't drink well. ⬛︎Used twice ⬛︎Sterilized I am also selling Pigeon slim type baby bottles and nipples from other brands. Bulk purchases are welcome♡ Please feel free to contact me (⋆ᴗ͈ˬᴗ͈)”