Promo code must be activated on the store's website in the Promo-Box category (or "Boxes for promo code"). To do this, enter the promo code in the desired field and click "Buy" button (or the button with the cost of the goods). Please note that promo code gives you the opportunity to buy goods from the Promo-Box category (or "Boxes for promo code") at a special price indicated in the product description. He does not give the goods for free.