Natural Response first flow teat, 0 months+, Philips Avent Natural Response teats release milk only when the baby is actively sucking. Babies can drink, swallow and breathe at their own natural pace, just like at the breast. Makes it easier to combine breast feeding with bottle feeding. Characteristics: ● 2 pieces Natural Response teat with flow 1 ● Dedicated to babies over 0 months Leak-free teat design prevents leakage and milk loss The teat opening is designed to release milk only when the baby is feeding. So you can confidently avoid the loss of milk, either at home or on the go. Designed to reduce colic and discomfort The anti-colic valve is designed to prevent air from entering babys tummy during feeding to help reduce colic and discomfort. Natural Response teats and bottles are BPA free* Philips Avent Natural bottles and teats are made from BPA-free materials*. Natural initiation of breastfeeding with a breast-shaped teat The wide, soft and flexible teat is designed to mimic the shape and feel of a breast, helping baby attach and feed comfortably. Presentation: 2 pcs. Teat with flow 1