Set of spare parts for Nuvita feeding bottles - 6061, NU-ALMB0010 Set of spare parts for Nuvita feeding bottles composed of 2 nipples 0m+ Flow 1 Slow, in medical "skin-like" silicone, and 1 anti-colic valve. The innovative teat is designed to not only look like but more importantly behave like your breast during feeding. The special flat, elongated shape and concave base allow the nipple to move up and down, stretch and contract just like your nipple during feeding. In addition, the wide surface and skin-like finish give your baby the comfortable sensation of being in contact with your breast. This makes it easier to alternate breast and bottle feeding without interrupting the habit of natural breastfeeding. Product Features: Ergonomic shape for easy grab. 360-degree flexible nipple. Specially designed anti-colic system. Skin-like surface to resemble real nipple.