Hello. Thank you for visiting our website. Our products are 100% genuine. We would like to introduce our Japanese products. About this Product This is a replacement nipple for breastfeeding bottles. The nipple is close to the breast and has a firm texture that does not interfere with smooth tongue movement. Tightly curved to fit closely to the mouth, with a latch online for proper nipple insertion. Sucking hole shape designed for "growth and development Supports the three principles of feeding: sucking, sucking and swallowing. ' See more