My wife bought me a MyHeritageDNA kit for my birthday.
After I had uploaded as much of my family data to their website as I could, I collected the samples as directed, and placed the plastic bag containing the swabs (in vials) into the tiny addressed padded envelope provided.
I was about to seal it when I realised there was no indication from whom it had come from, not even the code on the box in which it had arriuved.
There is no mention in the documentation and no way to contact MHDNA to ensure I had not missed anything.
I wrote the code on the padded bag and hoped for the best.
Bit naff.