The Emulait 2-Pack can be bought as spare or replacement for your Emulait Anatomy and Classic bottles. Emulait simulate the form, feel and function of a real . Flesh-like in both softness and texture with interior fibers that mimic milk ducts, the Emulait is not stiff and rigid like other bottle . The stretches and elongates during bottle feeding, allowing your baby to use the natural suckling action they are born with and promoting oral development benefits that no other bottle provides. Feed your baby with ease, knowing that our baby bottles are designed to minimize the likelihood of confusion or bottle preference, and support prolonged breastfeeding. The Emulait must be used with the Flow Control Valve in place.