Tommee Tippee Natural Start Slow Flow BottleIndication: 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 babys tummy Speedy self sterilizing, in just three minutes in the microwave 100% leakproof with the lid (even when upside down) Its also BPA free How to use: Can be used for the new babies. 260 mL