If you have got your hands on a discount code, you will need to enter it when you check out. Look for the section called "promo code", at the bottom of the check out page.
Simply copy + paste the code, then click 'Add' and the discount code will be applied to your order
If you don't have a discount code, why not sign up to our newsletter? We send discount codes and promotional offers to all subscribers, so you will know that you won’t miss out!