Gift Certificates may be used like cash on the store. They can also be purchased with customer loyalty points. This is not a physical product, but a coupon code only. When you buy this product, an email will be sent with a coupon code which you can use when placing an order. When you proceed to checkout on a product, there will be a place where you can input a coupon code, use the code you were emailed and you will be given a $20 discount.
To use your reward points, log on to your customer account, (one will have been created when you placed an order) there will be an amount of your reward points, select "redeem points," and then chose the gift certificate option, (either $5 or $20) and redeem your points by purchasing a gift certificate for points, you will receive an email with your coupon code shortly.
For Tips on getting reward points, then check out our Rewards Program Cheat Sheet