If the online order has been completed but the product has not yet been shipped, you can contact the Online Shopping Customer Service Department by phone: 21 0422 5930 or by e-mail: info@e-poseidonms.gr and one of our partners will handle the cancellation of your order.
After the cancellation process, the paid amount will be refunded to you. It may take a couple of days to appear on your account, depending on your bank.