Earth Class Mail facilities are not equipped to ship hazmat materials or alcohol. If a shipment arrives to Earth Class Mail and bears these markings we will refuse it and return to sender. If the item is not properly marked and is received at Earth Class Mail we will make every attempt to return it to the sender at no cost to you. Pressurized materials can be shipped domestically via ground services, but not via air or internationally, including alcohol based perfumes. Please see our Acceptable Use Policy for more details.