The tetina of silicone 3 positions of Suavinex adapts to the necessity of the baby and the type of food since, only turning the baby's bottle, it allows to regulate the intensity of the exit of liquid, guaranteeing a correct suction from the first day. Their form and its texture resemble it the maternal chest. The valves of their base avoid the annoyances, like hipo and the cólicos, that can be derived from the air ingestion. Its better operation not to too much tighten the spiral of the baby's bottle. Tetina Composition: Silicone