When you've added the item(s) to your basket, proceeded to checkout. Below the summary of your products, click the box 'GOT A COUPON? CLICK HERE' and enter your gift card/voucher code in the displayed field.
Please type the code exactly as it's written.
Unfortunately, it's not possible to combine several discount codes in one order or combine such codes with other offers. You can only use one code per purchase and on full price items.