There is an administrative fee that MaltaPost charges to cover the costs of collecting the required documentation, presenting them to the Customs Authorities, clearing dutiable goods on your behalf and effecting the payment of the Customs Dues and VAT.
This fee is of:
€5 for packages having items with a total value between €22.01 to €99.99
€7 for packages having items with a total value between €100 to €149.99
€10 for packages having items with a total value between €150 to €419.99
€16 for packages having items with a total value between €420 to €799.99
€18 for packages having items with a total value worth more than €800.00