From the #1 Spanish bottle brand, Sauvinex has been beloved by parents for 40 years. Introducing the Suavinex Bonhomia SX PRO™ Glass Bottle, a high quality glass bottle designed & made in Spain. It features the revolutionary SX PRO™ anti-colic silicone nipple, which is designed with respect to the baby's changing oral development and is endorsed by the SEOP (Spanish Society of Pediatric Dentistry). The physiological shape of the nipple helps the tongue remain in the same natural position as when the baby is breast feeding, aiding in correct positioning of the mouth, tongue & jaw.