Update:
They're being really nice about it, but obviously it's very odd so taking them ages to sort!!
This is the reply! It was sent at 12.30 AM!!!
Hello,
My name is #%% and I work on our Customer Experience team here at ASOS. We are a small dedicated team who deal with any escalated complaints and queries.
Thank you for your patience whilst we looked into this for you. Firstly, I would to apologise that you have received this item in your parcel. Please rest assured that this raises concern at out end and is not the usual standard of practice we aim to provide and I am really sorry that this has happened.
So that we can get this sorted, I am going to raise an investigation with the warehouse directly to see if we can find out if the item was a previous return. Please bare in mind investigations like this can sometimes take some time, but as soon as we have a update we will be right back in touch.
In the meantime, please could we ask that you dispose of the item in the most hygienic and environmental way as possible. I am really sorry that you are being asked to do this, we really appreciate your patience whilst this is looked into.
If there is anything else I can do in the meantime, please do not hesitate to get back in touch - I am here to help.