Superior Material: Made from PPSU (Polyphenylsulfone), this material is heat-resistant, impact-resistant, and free from harmful substances, making it more durable and healthier compared to traditional plastics.Wide-Neck Design: The wide-neck opening makes cleaning easier and allows for convenient filling with formula or other liquids, reducing the hassle of bottle cleaning.Drop-Resistant Feature: Designed with drop-resistant characteristics, this bottle is less likely to break even if accidentally dropped, enhancing safety during use.Anti-Colic Design: The built-in anti-colic system effectively reduces the amount of air swallowed by the baby during feeding, minimizing stomach gas and discomfort.Multiple Capacity Options: Available in various capacities to meet the needs of babies at different growth stages, providing flexibility in use.Neutral Water Cup: In addition to being a feeding bottle, it can also be used as a neutral water cup, making it convenient for the baby to drink water.