you should have a look here:
https://bitcointalk.org/index.php?topic=1151918.msg12183081#msg12183081they make a qr code of your BTC adress , and on the back, your ENCRYPTED private key. ( Bip38 )
( lazer marked, not printed.. )
i have order some & i had already received mine & they are just AWESOME !
so you got in hand something strong & physical in hand , not just a piece of paper....
kind regards.