You can enter your promo code at checkout in the field labeled “Gift card or discount code” on the site.
If you are shopping on a computer or laptop, the “Gift card or discount code” field will be towards the right hand side of the page once you begin checkout.
If you are shopping on a mobile device, you will see the “Gift card or discount code” field during the payment portion of your O&J transaction.
Make sure you select “Apply” to receive your promo.