New in original box.  Never used (just to make that absolutely clear).

Thermaltake Silver River II Ultra-compact external hard drive enclosure.   P/N:  ST0018Z

Accessories as shown:  pouch, cables, small screwdriver.

Information from the back of the box:

UPC number:  ST0018Z1301001408

Enclosure type:  2.5 inch SATA HDD (9.5 mm height)
Weight:  98 grams
Material:  aluminum and plastic
Interface:  SATA to USB 2.0
SATA Compatibility:  SATAII, SATA1
Transfer rate:  USB 2.0:  up to 480 mbps