A gassy baby is an unhappy baby. These Tommee Tippee bottles have a vented wand that keeps air away from the milk. It reduces colic symptoms, making for a happier, more relaxed feeding time. They can be self-sterilised in the microwave in just three minutes, keeping your baby's bottles hygienically clean. And the soft silicone teats flex and stretch, mimicking natural feeding. That means your little angel can feed comfortably at their own pace.Good to know- The 100% leakproof design means no mess, even when the bottle is turned upside down- The set includes two 150 ml and 260 ml bottles, two medium flow teats and two soothers- Give the bottles a thorough scrub between feeds with the included cleaning brush