Tommee Tippee Perfect Prep Machine - Black offers you a fresh bottle of formula for your baby at the perfect temperature in less than two minutes flat. It dispenses the correct amount of water for a more accurate and consistent dilution. The Perfect Prep machine works also with most powdered formula milk. No more juggling a hungry baby in one arm and trying to make a bottle of formula with the other. The Tommee Tippee Perfect Prep Machine - Black pr s a fresh bottle of formula for your baby at the perfect temperature in less than two minutes flat. Ten times faster than boiling a kettle and waiting for it to cool. The Perfect Prep machine dispenses an initial \'hot shot\' of water that kills any bacteria that may be present in the formula. The initial burst of hot water also helps to dissolve the formula quickly and easily. The in-built filter system removes impurities from water, and dispenses the correct amount of water for accurate formula consistency. No wonder parents call the Perfect Prep machine a lifesaver!