Used lightly for one child - I was solely breastfeeding but just wanted to add in a few bottles as he got a little older. It was a godsend and very easy to use Comes with everything seen plus box. I only ever really used one of everything. So half the bits are unused or used sparingly. I’ve given everything a good clean, some hard water marks might remain, but there is a recommended video on Elvie for a maintenance clean and it tells you how to take the pump apart for cleaning/sterilising purposes. I can send you the link.