Homechoice *****

I have a debit order from Homechoice of R781 for goods I do not know anything about. I am bothered by this because it would mean they have all my details if they would be able to instruct my bank for a debit order. The debit order is not reversable by the way because of the amount. Homechoice if this is not followed up and investigated accordingly I am taking it to credit ombudsman.