I agree with Tom... go overkill. This is the USARK recommendation for transport: 1) secure containment; for a juvenile this can mean a well taped deli cup. For a sub-adult this could be bagged with a ziptie securing the knot and placed in a well taped rubbermaid type tub. For adults you can place them in a rubbermaid trash can with with screws securing the perimeter of the lid every 5 inches. 2) clearly labeled; label each shipping container with common name, scientific name, number of specimens contained and owners ID info.

... very simple, very secure... better than most zoos and research facilities adhere to.
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USARK