Here's how to apply a coupon/promotion code for FREE SHIPPING
If you have a coupon/promotion code, you can enter the code in your SHOPPING CART
Enter your coupon/promotion code in the DISCOUNT CODES section of the screen and click the APPLY COUPON button
A window will appear notifying you that the code entered was applied.
A freeshipping option will then appear for you to choose
Choose the freeshipping option and click on the UPDATE TOTAL button to remove your Shipping Amount.