Only one coupon code can be used per order.
For example, If you have a coupon for free shipping and one for 10% off your total order, you can only use one for the order.
To see if your coupon still works, when you're in CHECKOUT, input the coupon code in the promotion code box and click APPLY.
If you've any other questions about coupons, please call us at 888-406-1984 or email us [email protected].