Flexible Spiral Design, Combined With Our Unique Comfort Petals To Create A Flexible Teat, Allowing For A More Natural Feed Without Teat Collapse.The Wide Breast Shaped Teat Promotes A Natural Latch On Similar To The Breast, Making It Easy For Your Baby To Combine Breast And Bottle Feeding.The Teat Has An Ultra Soft Texture, Designed To Mimic The Feel Of The Breast.