Brother Max Silicone Teat are compatible only with Brother Max feeding bottles, suitable for our full range of sizes and materials. Teat for our Anti-colic and Extra-wide neck feeding bottles with 'Medium' sized opening for our lowest flow rate. Our extra soft teat helps with a smooth transition from breast to bottle. We have a range of sizes to suit every baby, from the tiniest to the hungriest. We offer different flow rates to suit every baby as they grow.