The present invention relates to portable sterilisers for sterilising items using sterilising fluids. In particular, the present invention provides a portable steriliser for sterilising an item using sterilising fluids, comprising: a container (800) for receiving an item to be sterilised and for receiving a sterilising fluid a removable insert (820) comprising an absorbent material for absorbing a sterilising fluid and a removable lid (808) engageable with the container, wherein the removable insert is shaped to receive an item to be sterilised.
