Tommee Tippee Baby Bottles, Natural Start Anti-Colic Baby Bottle with Extra-Slow Flow Breast-Like Teat, 150ml, 0m+, Self-Sterilising, Baby Feeding Essentials, Pack of 3Tommee Tippee Natural Start bottles are #1 for easily switching between breast, bottle and back again*. Our soft silicone bottle teats have a built in anti colic valve that's proven to reduce air intake*. Our most breast like bottle, ever. Shaped for comfort, engineered for ease, and designed to suit your feeding routine. Designed to help reduce nipple confusion and make switching from breast to bottle and back again, easy 95% of babies accept a