Overstock has Sumdex POA-449PB Portable Hard Drive Case: http://www.overstock.com/Electronics/Sumdex-POA-449PB-Portable-
$2.10 shipped. It is cheaper than HP Portable Hard Drive Carrying Case on
FP.
Specs:
- Sumdex compact case for portable hard drives
- Computer accessory includes pockets for memory cards as well as
portable hard drives
- Protective cover fits pocket, briefcase or luggage when traveling
- Holds Western Digital Passport and most other 2.5-inch portable hard
drives
- Made of water repellent 600-denier polyester oxford and rip-stop
- Padded main compartment with zipper closure
- Back slip pocket
- Portable hard drive and memory cards not included