Tommee Tippee Bottles Large 3 Months + 2 PackOur 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 sterilising, in just three minutes in the microwave* 100% leakproof with the lid (even when upside down) Its also BPA free *Based on placing one bottle in microwaves from 700 1000wNatural latch: Our bottle teats are shaped to encourage