NUK 240ml Bottle, Narrow Bottle, Teat NUK SILICONE, 0-6 Months, Medium (For Baby Milk) The large diameter bottle nozzle allows the use of the NUK First Choice + nipple, making filling the bottle a breeze without leaking and making it easier to clean the bottle. The nipple - the most natural nipple for your baby The nipple allows your baby to drink in a comfortable and natural way, simulating as closely as possible the feeling of breastfeeding. The jaw, which adapts to the shape of the jaw, features a flexible and ultra-soft Softzone, as well as an enhanced anti-colic air system for the anti-colic air system. All these properties make it especially dear to children, and it is also suitable for infants who combine breast and bottle feeding.