Purchased this summer (2025). Size S...Used only once Size M...Used only 2-3 times These items have been used, so please only purchase if you understand that they are not new. They have been washed and sterilized after use. *Please sterilize again before use. - Brand: pigeon - Type: Nipple for baby bottle, slim type - Size: Size S and Size M, set of 2 *To reduce the thickness for shipping, the tips of the nipples may be pressed down. Please understand this before purchasing (see photo 3).