my acc got block

they say:
According to our records your account is temporarily blocked due to a Paypal chargeback for the following payments.

A USD $10 fee would be added to each chargeback on your account plus the owed amount for each to be able to unblock the account. All chargebacks can only be paid by money order from your bank or western union payable to G4Box Inc. for the full amount owing (with extra fees included) in US funds.

Please also make sure your money order is international ( Payable in Canada if you don't live in Canada), write down your game id on the back of the money order with a pencil, and remember to sign your name on the money order before you mail it to us. It can then be mailed to the following address.

how can i pay them back??