A portable project case that you can put in your bag and take with you.

DIN Rail mounting enclosure for BeagleBone Black

Unibody Aluminum Case for BeagleBone Black being sold by Adafruit

keep those birdies safe

Clear plastic BeagleBone Black enclosure available from Sparkfun.

BeagleBone Black Heatsink Enclosure

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Enclosure for BeagleBone Black

Aluminum case for BeagleBone Black on sale from Adafruit