In most circumstances, couriers rate their services by package bodyweight or size, whichever is greater. This is calculated employing a calculation which is named 'Volumetric Excess weight'. It is important to verify compliance with the consignee/ importer and regulatory authorities before shipping to Italy from Canada. 514kg CO₂ (per https://uspsprioritymailreturnser03603.pages10.com/5-simple-techniques-for-shipping-to-abbotsford-canada-63812109