Tommee Tippee Baby Bottles, Natural Start Anti-Colic Baby Bottle, Slow Flow, 260ml, 0m+, Pack of 3 Our most breast-like bottle, ever. Makes switching from breast to bottle and back again, easy. Soft, silicone teat, that flexes and stretches like a breast Anti-colic valve, to keep gas away from baby’s tummy Speedy self-sterilising, in just three minutes in the microwave* 100% leakproof with the lid (even when upside down) It’s also BPA free *Based on placing one bottle in microwaves from 700-1000w