Pigeon peristaltic nipple plastic feeding bottle is a healthy start to a baby's independent eating habits. The bottle allows natural movement of the baby's tongue, ensuring maximum development of baby's facial and jaw muscles. The nipple of the bottle is stretchable and allows easy sucking and wide movement of the baby's tongue. Pigeon bottles are made of high quality durable plastic, the streamlined shape makes it easy for mothers to hold and keep clean. Pigeon Peristaltic Nipple to encourage baby's natural tongue movement. Ultra-soft Silicone with its double thickness ensures ideal softness and elasticity so that your baby can latch on comfortably and easily. The shape fits perfectly onto your baby's tongue, allowing smooth tongue movement and minimizing air intake. AVS Air Ventilation System: Pigeon Peristaltic nipple with its Air Ventilation System helps to adjusts air pressure inside the bottle