Our payment option is cash on delivery.
You need to enter the code exactly as it was given to you, without any spaces. Type or copy and paste the code into the 'Promo code box (you'll find it on the page where you confirm the order). It looks like this:
Once you've entered the code, click on 'Update' and it will apply to your order. You'll be able to check this underneath the items as the discount value will have been removed and the price amended.