The Perfect 5 is an inventive Biofunctional Bottle designed to make it easier for a baby to eat. It instantly adjusts to each baby's unique sucking pattern at each feeding. It adjusts to each baby's unique sucking rhythm thanks to the ground-breaking Intuiflow System, enabling intuitive and physiological feeding. 100% hygienic silicone with Soft Sense. Physio teat for the best possible hold. Proven anti-colic effect: The Intuiflow system reduces colic, irritation, and regurgitation by preventing air intake through the combined action of the Physio teat and the inner Equilibrium membrane. Physiological suction rhythm: It adjusts to each baby's particular sucking rhythm to enable uninterrupted, regular feedings free from choking or disruptions. tested in a clinical setting. Perfect grip: The teat fits the baby's mouth precisely and makes it easier for them to suckle naturally.