The Pigeon Silicon Peristaltic Nipple is a medium-sized (M) bottle nipple designed with S-Type flow. Made from high-quality silicone material, it features AVS (Air Ventilation System) technology and comes in a pack of 3 pieces. This nipple is specifically engineered to support natural feeding patterns. Key features: • Medium size with S-Type flow design • Made from premium silicone material • Features AVS (Air Ventilation System) • Pack contains 3 nipples • BPA and BPS free • Compatible with Pigeon bottles The peristaltic design helps promote natural sucking movements similar to breastfeeding. The Air Ventilation System (AVS) helps reduce air intake during feeding, which may help minimize colic and discomfort. The silicone material provides optimal softness and durability for comfortable feeding sessions.