Pigeon Mother's Touch Nipple for Baby Bottle - Genuine Product L Size - 4 pieces I used 4 pieces in rotation for about 3 months. Two pieces have bite marks, so please purchase only if you understand this. The other two pieces have also been used by my child, so please refrain from purchasing if you are looking for something like new. Please purchase if you understand that no claims are accepted. As this item is stored at home, there may be parts that cannot be completely removed, such as the adhesion of fine fibers. Please refrain from purchasing if you are concerned about small details or are looking for perfection. Will be shipped flattened. Returns and cancellations are not accepted after purchase.