Tommee Tippee Advanced Anti-Colic, Plastic Bottle Against Colic with Silicone Nipple, Blue, 3m +, 340ml.

The innovative design guarantees the reduction of colic by 80%, thanks to the specially designed air duct system.
The unique technology consisting of 3 action points removes air from the milk and at the same time the asteroid valve does not allow the milk to move backwards, which means 80% less gas and nuisance.
In addition, the built-in plastic tube with heat sensor offers greater confidence that the milk is at the right temperature, so you can feed your baby easily and safely.
The nipple has patented ribs and soft flexible silicone to mimic the movements of the breast.
BPA free. Ergonomically designed.
Unique air passage system and a special valve that help reduce the amount of air the baby consumes during feeding.