When you find Birthday in a Box coupons you want to use, just click on the provided link, shop at Birthday in a Box as you normally would and then enter the provided Birthday in a Box coupon codes during checkout. If Birthday in a Box promo codes are not provided, your savings will be automatically applied to your order. However, it is always a good idea to verify that your discount has been applied before finalizing your order. Tip: When clicking on Birthday in a Box offers, you'll be taken to the merchant's site without seeing a traditional coupon. Please ensure your savings are applied before completing the order and contact DealSharks if any BirthdayInABox deals listed here do not work properly.