Here is the list of goods prohibited by FedEx, for international shipments only:

• Human bodies, organs, or body parts, human and animal embryos, cremated or decomposed human remains, except blood, urine, and other liquid samples necessary for diagnosis.
• Lottery tickets, gambling items.
• Hazardous waste, including, but not limited to, used hypodermic needles and/or syringes, or medical waste.
• Ice (frozen water), unless the packaging has been approved by the FedEx Test and Study Laboratory prior to shipment.