Tommee Tippee Baby Bottles, Advanced Anti Colic Newborn Set, 4 x Bottles with 2 Medium Flow Teats, Ventilation Tube

Innovative anti-colic technology: Our patented ventilation tube prevents air from entering the milk, meaning less air in baby's belly and proven decreased colic Natural breast grip: Teats designed to promote natural breast grip, reducing air ingestion and avoiding confusion of teats when switching from breast to bottle and vice versa (slow flow teat included with each bottle) Self-sterilising: Natural Start Tommee Tippee bottles can easily be sterilised in the microwave in just three minutes Natural rhythm: The soft silicone teat is flexible and stretches like the breast and allows your baby to comfortably suck at their own pace 100% leak-proof with the lid: When the screw ring, teat and cap are all in place, the bottle is totally leak-proof, even if it is turned over or shaken