Mimics mom's breast in form, feel and function to eliminate nipple confusion, bottle preference and bottle refusal. Allows baby to latch and control the flow of milk providing a feeding experience like breastfeeding and promoting oral and dental development. Made with medical and food grade silicone and nylon, free of BPA, BPS, latex, phthalates, lead and all known EA (Estrogenic Activity) agents. Easy to prepare and easy to clean thanks to their wide mouth and fewer parts.