Silicone nipple for baby bottles, S size, allowing babies to drink naturally. - Brand: Pigeon - Size: S - Quantity: 2 pieces - Target age: From 1 month old - Material: Silicone Thank you for viewing. These are used. Please refrain from purchasing if you are concerned. I bought extra because I have twins, so there are items that were hardly used, used a few times, or not used at all, at random. If you are interested, please consider. I will send it by regular mail.