EagleTec offers the FD Nano Disk USB flash drive. The Nano drive is an ultra compact memory device with 4GB or 8GB capacities. It supports USB 1.1 and 2.0 interface. The Nano flash drive measures just 9 x 15 x 6mm and weighs only 3 g.
Eagletec’s Nano is available from Brando for $22 or $33.