A unique nipple with an air valve at the base, enabling a venting process, thus providing a smoother flow of liquid, thereby preventing against nipple collapse, colic, and spit-up, burping, and gas. Simulates breastfeeding thus making it easier to alternate between breastfeeding and bottle feeding. Easy latch on. Odorless, tasteless, and guaranteed not to perish. Made from high-quality medical-grade silicone. Volatile and nitrosamine safe