Dr. Brown’s Natural Flow Anti-Colic Set, Wide Neck - Brand New Opened.

Opened box a little tatty - all contents sealed.

What you get:
4 x 270ml WIDE-NECK options Bottles (Level 1 Teats)
1 x Bottle Brush 
1 x Soft spout transition cup, 6 months +
1 x Flexees teether 
2 x Cleaning brushes 

Features:
Air enters the bottle collar and routes directly through the internal vent system
The air channels through the vent tube, bypassing the milk, to the end of the bottle
The vent prevents aeration of the milk, vacuum pressure and teat collapse 
Baby feeds comfortably freely, like breastfeeding.