How do I add a discount code to my order? Mark Grundy Updated March 12, 2020 11:29 Follow You've got one of our discount codes? That's great! All you need to do now is fill up your cart and enter it into the 'Discount Codes' box at the bottom of your cart. Make sure you click 'Apply', or it won't activate the code! Related articles I wish to write on my products, what is the best paper to use? Delivery to Northern Ireland? Comments 0 comments Please sign in to leave a comment.