1) Check the coupon code
If you possess a cash coupon, kindly refer to My Account to verify whether the coupon code has been added or not.
2) Use the Coupon for your Order
Once an active coupon is present in your account, it will be displayed in the Payment Center, allowing you to select the coupon as a payment option for your order.Just as follows:
Terms & Conditions
If you have any question, please feel free to contact us.