Perfect Compatibility: Designed to fit seamlessly with Comotomo Baby Bottles (any size), this silicone spout provides a snug, secure fit offering a durable and reliable replacement for continued use. Smooth Bottle-to-Cup Transition: This sippy spout offers a comfortable and easy way to help your baby transition from bottle to cup. The familiar bottle base supports a natural shift toward independent drinking at their own pace. 100% Safe & Gentle on Gums: Crafted from premium BPA-free, phthalate-free, and lead-free silicone, this soft and flexible spout is gentle on teething gums ensuring a safe, soothing drinking experience. Leak-Proof & Anti-Colic Design: Equipped with dual line-cut openings and a built-in V-shaped vent, this spout helps prevent spills and reduce air intake. The smart flow system adjusts to your baby s sucking strength for a smooth, mess-free feed. Easy to Clean & Maintain: This spout is easy to detach and clean, and is both dishwasher and sterilizer safe. It s a practical and hygienic choice for busy parents looking for convenience and reliability.