Safe and durable ALTERNATIVE to low-quality plastic nipples, Kid Kanteen Baby Bottles feature a medical-grade, silicone nipple that is more than 50 millimeters in diameter at the base and has variable thicknesses so it feels more like the real thing. As your baby sucks, the long nipple adjusts, mimicking the way a human breast reshapes during breastfeeding, ensuring proper placement in the mouth, and promoting correct oral development and healthy teeth.

The nipple also features a double venting system, which is designed so your baby is swallowing liquid, not air, helping reduce colic and promoting healthy digestion.