The Pigeon Flexible Stream Line Feeding Bottle 150 ml A-651 is ideal to provide the babies the ultimate feeding experience. It features a peristaltic nipple that allows the baby to move the tongue naturally which promotes the development of facial jaws and muscles. The wide neck opening allows easy preparation of formula milk and the elastic and ultra-soft silicone rubber material allows the baby to latch on comfortably. The streamline shape and high-quality durable plastic material of the bottle promote easy holding and gripping for both the baby and the mother. If you want your baby to enjoy comfortable, fuss-free feeding time, this bottle is the answer!