A unique nipple with an air valve at the base enables a venting process, thus providing a smoother flow of liquid and thereby preventing nipple collapse, colic, spit-up, burping, and gas.

• Made from high-quality medical-grade silicone
• Volatile and nitrosamine-safe
• Odorless, tasteless, and guaranteed not to perish
• Pure silicone
• Anti-colic

Sizes and recommended age of use: Fastflow / 6months and up