Our most breast-like bottle: Made from soft-touch, skin-like silicone, this squeezable baby bottle feels just like mom and provides baby with the familiar comfort and warmth of moms breast Breast-like: Our soft silicone, breast-like nipple feels closer to skin and flexes like mom for a comfortable feed and supports in the transition from breastfeeding to bottle feeding Anti-colic: Sensitive Closer to Nature nipple with anti-colic valve reduces excessive air flow, so little ones ingest more milk and less air, preventing symptoms of colic Guaranteed no leaks: Easy to assemble and guaranteed no leaks when feeding your baby. The included lid and travel disc prevent spills or leaks when on the go Mom recommended: 95% of moms would recommend Tommee Tippee Closer to Nature bottles to others