Dr. Brown's Natural Bottle with anticolic device, Options+, 0-3 months

Description: The set includes: (includes: 1 bottle with narrow neck made of polypropylene., a silicone nipple level 1 (0-3 months), an internal ventilation system consisting of 2 parts, cleaning brush internal system, instructions) It can be used with or without the ventilation system. The unique indoor ventilation system eliminates vacuum and air bubbles to help reduce colic, expectorate, belching and gas. Removing negative pressure can help reduce fluid buildup in your baby's inner ear. The positive pressure design mimics breastfeeding and is ideal for both breast milk and formula BPA Free. The new ventilation system is designed to adapt with the age of the child;We recommend using this system to experience all the health benefits that our bottle offers. It helps reduce feeding problems, aids digestion and keeps vitamins in milk. Some parents find it a convenient option to use a bottle without a ventilation system as their baby grows. The specially designed nipple creates a smo