With the Tommee Tippee Perfect Prep Milk Maker, you can prepare warm milk for your baby in less than 2 minutes. The device operates similarly to a coffee machine, making it very easy to prepare milk for your baby: simply place the bottle with milk powder into the device and turn it on. The milk is heated to a temperature suitable for your baby. It is compatible with all types of bottles. The filter system removes bacteria. The set also includes a bottle and a filter.