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. It Is Bpa Free. Made Of Polypropylene (Pp). Compatible With Sippy Cup Teats. It Is Compatible With Wee Baby Breast Pumps. Orthodontic Soother Structure Supports The Baby'S Natural Palate Development. The Advanced “Air System” Of The Soother Design Prevents The Soother From Sticking To The Baby'S Skin. Wide Open Nose Area Of The Soother Helps Your Baby Breathe More Comfortably. Made Of Bpa Free Safe Material. Soother Tip Is Silicone; Soother Body And Lid Are Polypropylene (Pp).