The baby line that simulates breastfeeding. The teats are made of ultra-soft and velvety silicone , to ensure a natural feeling during the feeding. The special silicone "mom effect" , the softness and flexibility of the teats facilitate the alternation between breast and baby bottle. Silicone jacket with double anti-colic valve for Biberon NaturalFeeling. Adjustable flow. Perfect for the first few months of life.