Firstly, need to login to the website with your registered email id
Then click on the "Rewards" button at left bottom corner
Popup will open, click on "All rewards" button
Your rewards will be displayed in that box. Then click on "Redeem" button
Then on scale select how many points you want to use and then click on "Redeem" button
You will get a coupon code, either click on the "Apply code" button where code will be automatically applied or copy that coupon code and use the code at checkout to redeem points.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.