Tommee Tippee Closer To Nature 2x Advanced Anti Colic Med Flow Taets are designed to be used together with Tommee Tippee Anti-Colic bottles. The sensitive teats and unique anti-colic technology in the bottles help to combat colic while ensuring a comfortable feeding experience. 84% of mums who used our anti-colic bottles agreed they reduced their babys colic symptoms.Teat designed to imitate the natural sensation and movement of the mother’s breast, aiming to bring well-being and comfort to your baby when feeding.