All jailbreak device are safe to delivery , never heard of getting stuck at the customs .
QUOTEAfter successfully hacking the PS3 was and was only closed the gap again with Firmware 3.50, it is relevant in many foreign online store to buy a special USB sticks that allow you to copy protected games.
Sony responded massively with his lawyers present. Purchasers of such sticks receive mail from Sony with a call for a cease and desist letter as content. This also applies to German buyers who purchase abroad this stick.
The customs have been instructed to seize all the findings with these sticks immediately.
If the cease and desist letter is not signed, threatening legal costs 50,000 euros, plus. 2500-4500 € processing costs.