Modular, more than one of the pen drives can be attached to each other at the same time, forming a train. The pen drives are made of a strong non-slip polymer material, and have a embossed texture for easy grip.
It weighs in at 6.6 grams, and is 37.3 mm long, 18.3 mm wide and 9.3 mm tall. It has a USB 2.0 interface, and is available in capacities ranging from 2GB to 32GB. The PNY Brick Attaché USB drives are compatible with Windows and Mac, and come with a 5 year warranty.