Before cancelling your order, you may want to view "Can I cancel my order?" to find out if your order is eligible for cancellation.
1. Click on "Me" and "To Pay / To Ship". Find your order and click on the name of the order.
2. After that, click on "Cancel Order" to initiate a cancellation request.
If cancellation request is done after seller had arrange shipment of the order, the request will need seller's approval to proceed. Any cancellation request not responded by seller within 1 day will be auto accepted and refunded to the buyer.
Below are some related articles we prepared for you as this may be helpful if you faced such issue for this issue.
1) How can I get the refund for my cancelled order?
2) Can the seller reject my cancellation request? Can I submit another cancellation request?