Closer to Nature Micro Steam Steriliser Holds - 4 x Bottles,Comes with a lid and sections to hold four bottles, and microwaves for 4 to 8 minutes. It can keep contents sterile for up to 24 hours when the lid is open. This tool is light and compact, easy to clean and load, remains stylish, and is quick to operate. It saves space, is efficient, and can be stored when not in use.