There are two fields on the shopping cart page. Enter discount codes and coupon codes in the "COUPON?" field. Enter gift card codes into the "GIFT CARDS" field. Be sure you're using the right field for the right code. Multiple gift cards can be used with one order. Simply add each one into the entry box, submit, and then enter the next.
Discount codes and all coupon codes are announced in our newsletters, you can sign up here.
*Please note: You do not have to add gift card codes in your store account. You can enter them in the fields provided on the shopping cart page.