The last step towards a more natural bottle-feeding, an ideal form that respects oral development. The Symmetrical SX Pro pacifier keeps the baby's tongue in the same natural position as when breastfeeding. Anti-colic valve that balances the pressure between the outside and the inside of the bottle. Ultra-soft fine silicone and sandblasted finish, imitates the texture and consistency of the maternal nipple, thus providing optimal comfort, very flexible movement and maximum adaptation to the shape of the palate. New bottle with a straight shape offering a more comfortable grip for baby.