Tommee 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 Tommee Tippee bottle* • 3-step self-sterilising 1. Add 50ml of water (use the dotted line as a guide) 2. Rest the assembled lid, ring and teat on top (but don’t fasten) 3. Microwave for 3 minutes • Leak proof with the lid on (even when upside down) • Always BPA, BPS and Phthalate free *tommeetippee.com/verify