Wow. Well, whatever you ordered sure went by fast. Look at their returns conditions and follow these instructions. You shoud be able to return the item and get a refund.
How do I return an item?
In order to arrange a return, please contact us and inform our Customer Service Team of your order number, the item you are returning and the reason for the return.
We will then reply with a unique returns authorisation number and the address you need to send the item to.
You'll need to package the item securely and include a completed copy of the attached form:
CLICK HERE TO PRINT YOUR RETURNS FORM
If your item is faulty you will need to tell us what exactly the fault is.
When you return your item please remember to ask the Post Office for a receipt which you should keep as proof of sending until you have received your replacement or your refund.
We can only refund postage costs if we have sent you the wrong item or if the item is faulty. We cannot be held responsible for non-delivery of returned goods. We will replace any faulty items like-for-like, or if the item is no longer
available, will refund the original payment method.
Our returns policy is valid for 28 days from receipt of goods.