"A BlastWrap-lined garbage can will dissipate a backpack-size-bomb blast in less than one thousandth of a second."
Blastgard International Blastwrap - Popular Science
Despite the fact that the purpose and reason that technology like this has been recently developed is disturbing, you have to marvel at the simplicity and ingenuity sometimes...
here's a picture to what is basically big bubble wrap filled with powder to help contain and extinguish potential bombs