Brand Pigeon Size M Material Silicone Bottle nipple type Vented Liquid flow speed description Slow Flow About this item AVS System - Features an advanced Air Ventilation System (AVS) designed to reduce gas intake during feeding. This innovative system helps to minimize air bubbles in the milk, thereby reducing the likelihood of colic, gas, and discomfort in babies. Textured Surface - Features a specially textured surface that enhances grip and encourages a secure latch. This design helps mimic the natural feel of breastfeeding, making it easier for the baby to latch on and feed comfortably. 100% Silicone - Crafted from 100% high-quality silicone, the nipple is exceptionally flexible and soft, providing a natural and comfortable feeding experience. The pure silicone material ensures durability, resistance to deformation, and ease of cleaning. Boiling/Steaming Sterilization - Thoroughly wash the nipple, bottle, cap and hood, and place in water. Bring the water to a boil. Sterilize for 5 minutes after the water comes to a boil. Chemical sterilization and microwave sterilization are possible. Collapse Resistant - Designed with vertical lines that reinforce the structure, the nipple is collapse-resistant, ensuring it maintains its shape and integrity during feeding.