Pack of two bottle nipples. Set of 2 teats for age 0 to 6 months with anti-colic and anti-collapse system. Le Biberon Francais bottles do not detect the smell or colour of food. The teats are made of silicone, in accordance with current regulations, and are made in France. When fitted to the bottles, they do not release microplastics into the liquids and are not made of polypropylene. The soothers come in 3 sizes and this versatility incorporates an anti-colic system that is very pleasant for the baby. They respect the baby's sucking rhythm and reduce fatigue when sucking. All teats are adaptable to the 3 bottles of the nest family. They have been specifically designed to be resistant with a reinforced mouth. It is recommended to test the teats regularly for cracks or tears.