The Soft Structure Of The Bottle Teat Allows Babies To Latch The Teat Easily And Feed Comfortably. The Anti-Colic Valve System In The Teat Design Prevents The Baby From Swallowing Air During Feeding. Light-Weight With Slim Design. Easily Filled And Cleaned Thanks To Wide Neck. Practical Cover Prevents Spillage. Suitable For 0-6 Months. Teat Number 2 (6-18 Months) And Teat Number 3 (18+ Months) Can Be Used As Spare Teats. It Is Bpa Free. Made Of Polypropylene (Pp). Compatible With Sippy Cup Teats. It Is Compatible With Wee Baby Breast Pumps.