Once you've added your item(s) to your cart, you can go to the cart page by clicking the shopping cart icon in the upper right corner to visit your cart. In the cart, there is a box to enter your promo code. You can also enter the promo code during the checkout phase. The promo code box is located to the right side during the checkout process.
Please ensure you use your promo code at the time of ordering. Once you've ordered, we can't apply the promo code.