Physiological teat Perfect 5. Thanks to the interchangeable physiological teats, the food flow can be adjusted in 4 stages to the respective age of the child. Available in Soft Sense silicone. Promotes natural peristaltic sucking rhythm. Mimics the shape of the mother's breast when sucking: The elongated, wide shape promotes the natural, peristaltic sucking rhythm, ensures a perfect fit, good acceptance and easy drinking. The special finish makes the surface silky soft and mimics the skin of the mother's breast, for an even more natural and comfortable drinking experience. The anti-colic valve is also compatible with the Well-Being line of bottles and prevents the teat from compressing and causing baby to swallow air. This prevents colic and burping. Your baby can enjoy his or her bottle bottle in a relaxed way. Ideal for children in the first months of life, when the swallowing ability increases. Perfect 5 bottle teat, silicone, medium flow, 2pcs.