PPSU Material: The bottle is made from Polyphenylsulfone (PPSU), a durable and high-quality material known for its excellent heat resistance and durability. This ensures that the bottle can withstand repeated sterilization and use, making it a reliable choice for busy parents. Peristaltic Nipple: The bottle features a peristaltic nipple, designed to mimic the natural sucking motion of a baby. This helps to promote healthy feeding habits and reduce the risk of nipple confusion, making it ideal for breastfed babies transitioning to bottle feeding. Flexible and Soft: The nipple is made from soft and flexible silicone, allowing for easy latch-on and a comfortable feeding experience for your baby. Anti-Colic: The bottle is designed with an air vent system that helps to reduce the intake of air during feeding, minimizing the risk of colic and discomfort for your baby. Easy to Clean: The wide neck design of the bottle makes it easy to clean and assemble, saving you time and effort when preparing for feeding sessions. BPA-Free: Pigeon is committed to the safety and well-being of babies, which is why this bottle is made from BPA-free materials, giving you peace of mind when feeding your little one. With the Pigeon Flexible Peristaltic PPSU Bottle, you can provide your baby with a comfortable and enjoyable feeding experience, while also enjoying the convenience and durability that PPSU material provides.