You cannot cancel it.
You can ask the seller if they would be willing to cancel
because you didn't read the listing before commiting to buy.
Shipping charge was right there in the listing.
Shipping:
US $10.50 (approx. C $10.80) USPS First Class Mail Intl / First Class Package Intl Service | See details about international shipping here.
Items shipping internationally may be subject to customs processing depending on the item's declared value.
Item location:
Canton, Georgia, United States