Boon Nursh Nipples Fast Flow Rate For 6 Months+ Babies 3's is the 100% silicone nipples feel so natural, even your little genius won't know the difference. The amazing design features optimal nipple length to help facilitate proper tongue positioning while drinking and a gradual transition from nipple to wide-neck base for perfect latching every time. These nipples are designed after mom, according to the same natural shape, feel and function as real. It mimics breastfeeding, favoring and rejecting a bottle, as well as reducing nipple confusion. The gradual transition from the nipple to the wide base of the neck makes it easier to blend and encourages proper tongue positioning. The innovative silicone bag deflates when babies drink, reducing air intake, reducing painful flatulence, colic and burping. It tries to ensure that your hungry baby gets the right amount of milk or formula in the right flow, these 100% silicone nipples are dishwasher safe. These nipples are for use with NURSH bottles. Boon is a leading innovator, designer and manufacturer of infant and baby products. They are driven by a strong desire to create modern products that help to simplify parent’s lives while retaining their personal style. Boon is committed to creating nothing but the most innovative gear—and keeping it affordable. Their design studio is always in motion, tackling one parenting challenge after another. All their products adhere to the highest manufacturing standards and are BPA-free, PVC-free and Phthalate-free, which means no nasty toxins for your kids.